Finding the Fourth Proportional to 71,244, 106,866 and 29,691
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Solution
The fourth proportional to 71,244, 106,866 and 29,691 is: 44,536.50
Step by Step Solution
- Step 1: Write the proportion equation
71,244 : 106,866 = 29,691 : x - Step 2: Convert to fraction form
71,244/106,866 = 29,691/x - Step 3: Cross multiply
71,244x = 106,866 × 29,691 - Step 4: Simplify right side
71,244x = 3,172,958,406 - Step 5: Solve for x
x = 3,172,958,406/71,244 - Step 6: Final answer
x = 44,536.50
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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.