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Finding the Fourth Proportional to 62,385.66, 86,095.71 and 41,149.89

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Solution

The fourth proportional to 62,385.66, 86,095.71 and 41,149.89 is: 56,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,385.66 : 86,095.71 = 41,149.89 : x
  2. Step 2: Convert to fraction form
    62,385.66/86,095.71 = 41,149.89/x
  3. Step 3: Cross multiply
    62,385.66x = 86,095.71 × 41,149.89
  4. Step 4: Simplify right side
    62,385.66x = 3,542,828,995.97
  5. Step 5: Solve for x
    x = 3,542,828,995.97/62,385.66
  6. Step 6: Final answer
    x = 56,789.16

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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.