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Finding the Fourth Proportional to 62,931.26, 86,800.91 and 41,414.13

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Solution

The fourth proportional to 62,931.26, 86,800.91 and 41,414.13 is: 57,122.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,931.26 : 86,800.91 = 41,414.13 : x
  2. Step 2: Convert to fraction form
    62,931.26/86,800.91 = 41,414.13/x
  3. Step 3: Cross multiply
    62,931.26x = 86,800.91 × 41,414.13
  4. Step 4: Simplify right side
    62,931.26x = 3,594,783,963.79
  5. Step 5: Solve for x
    x = 3,594,783,963.79/62,931.26
  6. Step 6: Final answer
    x = 57,122.39

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1.5x scale

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.