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Finding the Fourth Proportional to 41,641.94, 57,469.92 and 22,781.90

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Solution

The fourth proportional to 41,641.94, 57,469.92 and 22,781.90 is: 31,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,641.94 : 57,469.92 = 22,781.90 : x
  2. Step 2: Convert to fraction form
    41,641.94/57,469.92 = 22,781.90/x
  3. Step 3: Cross multiply
    41,641.94x = 57,469.92 × 22,781.90
  4. Step 4: Simplify right side
    41,641.94x = 1,309,273,970.45
  5. Step 5: Solve for x
    x = 1,309,273,970.45/41,641.94
  6. Step 6: Final answer
    x = 31,441.23

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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.