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Finding the Fourth Proportional to 62,757.38, 86,605.79 and 34,463.67

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Solution

The fourth proportional to 62,757.38, 86,605.79 and 34,463.67 is: 47,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,757.38 : 86,605.79 = 34,463.67 : x
  2. Step 2: Convert to fraction form
    62,757.38/86,605.79 = 34,463.67/x
  3. Step 3: Cross multiply
    62,757.38x = 86,605.79 × 34,463.67
  4. Step 4: Simplify right side
    62,757.38x = 2,984,753,194.33
  5. Step 5: Solve for x
    x = 2,984,753,194.33/62,757.38
  6. Step 6: Final answer
    x = 47,560.20

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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.