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Finding the Fourth Proportional to 58,792.91, 81,134.95 and 31,935.87

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Solution

The fourth proportional to 58,792.91, 81,134.95 and 31,935.87 is: 44,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,792.91 : 81,134.95 = 31,935.87 : x
  2. Step 2: Convert to fraction form
    58,792.91/81,134.95 = 31,935.87/x
  3. Step 3: Cross multiply
    58,792.91x = 81,134.95 × 31,935.87
  4. Step 4: Simplify right side
    58,792.91x = 2,591,114,951.32
  5. Step 5: Solve for x
    x = 2,591,114,951.32/58,792.91
  6. Step 6: Final answer
    x = 44,071.90

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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.