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3 years ago

8

Solve the proportion ? : 32 = 9 : 4 for the unknown. a72b48c36d18

2 answers:

katen-ka-za [31]3 years ago

7 0

Answer:

72 is the answer

Step-by-step explanation:

x : 32 = 9 :4

$\frac{x}{32}$ = $\frac{9}{4}$

cross multiplying

∴ 4 × x = 32 × 9

4 x = 288

Therefore x = $\frac{288}{4}$

x = 72

zzz [600]3 years ago

4 0

Answer:

x : 32 = 9 : 4

4x = 288

x = 72

Step-by-step explanation:

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