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Finding the Fourth Proportional to 41,304.91, 61,957.25 and 11,722.78

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Solution

The fourth proportional to 41,304.91, 61,957.25 and 11,722.78 is: 17,584.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,304.91 : 61,957.25 = 11,722.78 : x
  2. Step 2: Convert to fraction form
    41,304.91/61,957.25 = 11,722.78/x
  3. Step 3: Cross multiply
    41,304.91x = 61,957.25 × 11,722.78
  4. Step 4: Simplify right side
    41,304.91x = 726,310,991.38
  5. Step 5: Solve for x
    x = 726,310,991.38/41,304.91
  6. Step 6: Final answer
    x = 17,584.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.