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antiseptic1488 [7]
3 years ago
6

How to find missing number in equivalent ratio

Mathematics
1 answer:
Rashid [163]3 years ago
5 0

Explanation:

Consider ...

  x/a = b/c . . . . . find x

Multiplying by the denominator under x gives ...

  x = ab/c . . . . the value of the unknown.

____

In the case where the unknown is in the denominator, you can invert the ratios and solve as above:

  a/x = c/b . . . . . note that x is in the denominator

  x/a = b/c . . . . . equivalent equation, solve as above

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