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Finding the Fourth Proportional to 58,755.67, 81,082.68 and 31,897.89

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Solution

The fourth proportional to 58,755.67, 81,082.68 and 31,897.89 is: 44,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,755.67 : 81,082.68 = 31,897.89 : x
  2. Step 2: Convert to fraction form
    58,755.67/81,082.68 = 31,897.89/x
  3. Step 3: Cross multiply
    58,755.67x = 81,082.68 × 31,897.89
  4. Step 4: Simplify right side
    58,755.67x = 2,586,366,407.55
  5. Step 5: Solve for x
    x = 2,586,366,407.55/58,755.67
  6. Step 6: Final answer
    x = 44,019.01

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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.