Finding the Fourth Proportional to 31,494,081.75, 47,241,122.63 and 7,559,553.75
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Solution
The fourth proportional to 31,494,081.75, 47,241,122.63 and 7,559,553.75 is: 11,339,330.63
Step by Step Solution
- Step 1: Write the proportion equation
31,494,081.75 : 47,241,122.63 = 7,559,553.75 : x - Step 2: Convert to fraction form
31,494,081.75/47,241,122.63 = 7,559,553.75/x - Step 3: Cross multiply
31,494,081.75x = 47,241,122.63 × 7,559,553.75 - Step 4: Simplify right side
31,494,081.75x = 357,121,805,694,028.62 - Step 5: Solve for x
x = 357,121,805,694,028.62/31,494,081.75 - Step 6: Final answer
x = 11,339,330.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.