Finding the Fourth Proportional to 69,986,900.04, 96,587,400 and 38,631,175.18
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Solution
The fourth proportional to 69,986,900.04, 96,587,400 and 38,631,175.18 is: 53,314,045.45
Step by Step Solution
- Step 1: Write the proportion equation
69,986,900.04 : 96,587,400 = 38,631,175.18 : x - Step 2: Convert to fraction form
69,986,900.04/96,587,400 = 38,631,175.18/x - Step 3: Cross multiply
69,986,900.04x = 96,587,400 × 38,631,175.18 - Step 4: Simplify right side
69,986,900.04x = 3,731,284,769,580,732 - Step 5: Solve for x
x = 3,731,284,769,580,732/69,986,900.04 - Step 6: Final answer
x = 53,314,045.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.