What Is The Missing Number In 28:63=4: ?

What is the missing number in 28:63=4: ?

Ratio and Proportion:

Answer:

The missing number is 9.

Step-by-step explanation:

To solve for the missing number in the proportion, express the proportion as fraction such that 28/63 = 4/n then by cross multiplication it will give (28)(n) = (4)(63). 28n = 252. Divide both sides of the equation by 28 to get the value of the missing number such that, 28n/28 = 252/28. Therefore, n = 9, the missing number is 9.

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