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Finding the Fourth Proportional to 62,897.92, 86,710.10 and 44,961.78

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Solution

The fourth proportional to 62,897.92, 86,710.10 and 44,961.78 is: 61,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,897.92 : 86,710.10 = 44,961.78 : x
  2. Step 2: Convert to fraction form
    62,897.92/86,710.10 = 44,961.78/x
  3. Step 3: Cross multiply
    62,897.92x = 86,710.10 × 44,961.78
  4. Step 4: Simplify right side
    62,897.92x = 3,898,640,540.33
  5. Step 5: Solve for x
    x = 3,898,640,540.33/62,897.92
  6. Step 6: Final answer
    x = 61,983.62

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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.