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If 4/12 of a number is 42. What is 8/14 of that number ______?

If 4/12 of a number is 42. What is 8/14 of that number ______?

Explanation

4x/12 = 42

4x = 42*12 = 504

X = 504/4 = 126

8/14 * 126 = 8*9 = 72