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Finding the Fourth Proportional to 29,909.20, 44,863.80 and 17,443.30

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Solution

The fourth proportional to 29,909.20, 44,863.80 and 17,443.30 is: 26,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,909.20 : 44,863.80 = 17,443.30 : x
  2. Step 2: Convert to fraction form
    29,909.20/44,863.80 = 17,443.30/x
  3. Step 3: Cross multiply
    29,909.20x = 44,863.80 × 17,443.30
  4. Step 4: Simplify right side
    29,909.20x = 782,572,722.54
  5. Step 5: Solve for x
    x = 782,572,722.54/29,909.20
  6. Step 6: Final answer
    x = 26,164.95

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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.