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Finding the Fourth Proportional to 61,761.25, 92,765.85 and 36,849.91

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Solution

The fourth proportional to 61,761.25, 92,765.85 and 36,849.91 is: 55,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,761.25 : 92,765.85 = 36,849.91 : x
  2. Step 2: Convert to fraction form
    61,761.25/92,765.85 = 36,849.91/x
  3. Step 3: Cross multiply
    61,761.25x = 92,765.85 × 36,849.91
  4. Step 4: Simplify right side
    61,761.25x = 3,418,413,223.57
  5. Step 5: Solve for x
    x = 3,418,413,223.57/61,761.25
  6. Step 6: Final answer
    x = 55,348.83

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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.