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ladessa [460]
4 years ago
7

What number solves this propoetion? 2.4/m=3/4.5

Mathematics
1 answer:
antoniya [11.8K]4 years ago
7 0
\frac { 2.4 }{ m } =\frac { 3 }{ 4.5 } \\ \\ \frac { 4.5 }{ 3 } \cdot m\cdot \frac { 2.4 }{ m } =\frac { 3 }{ 4.5 } \cdot m\cdot \frac { 4.5 }{ 3 } \\ \\ m=\frac { \left( 4.5 \right) \left( 2.4 \right)  }{ 3 } \\ \\ m=\frac { \left( 4+\frac { 1 }{ 2 }  \right) \left( 2+\frac { 2 }{ 5 }  \right)  }{ 3 }

\\ \\ m=\frac { 8+\frac { 8 }{ 5 } +1+\frac { 2 }{ 10 }  }{ 3 } \\ \\ m=\frac { 9+\frac { 16 }{ 10 } +\frac { 2 }{ 10 }  }{ 3 } \\ \\ m=\frac { \frac { 90 }{ 10 } +\frac { 18 }{ 10 }  }{ 3 }

\\ \\ m=\frac { \frac { 108 }{ 10 }  }{ 3 } \\ \\ m=\frac { 108 }{ 10 } \cdot \frac { 1 }{ 3 } \\ \\ m=\frac { 108 }{ 30 } \\ \\ m=\frac { 3\cdot 36 }{ 3\cdot 10 } \\ \\ m=\frac { 36 }{ 10 } \\ \\ m=3.6
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