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Finding the Fourth Proportional to 29,551.20, 44,359.20 and 18,470.40

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Solution

The fourth proportional to 29,551.20, 44,359.20 and 18,470.40 is: 27,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,551.20 : 44,359.20 = 18,470.40 : x
  2. Step 2: Convert to fraction form
    29,551.20/44,359.20 = 18,470.40/x
  3. Step 3: Cross multiply
    29,551.20x = 44,359.20 × 18,470.40
  4. Step 4: Simplify right side
    29,551.20x = 819,332,167.68
  5. Step 5: Solve for x
    x = 819,332,167.68/29,551.20
  6. Step 6: Final answer
    x = 27,725.85

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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.