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Finding the Fourth Proportional to 43,550.52, 65,310.09 and 15,079.74

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Solution

The fourth proportional to 43,550.52, 65,310.09 and 15,079.74 is: 22,614.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,550.52 : 65,310.09 = 15,079.74 : x
  2. Step 2: Convert to fraction form
    43,550.52/65,310.09 = 15,079.74/x
  3. Step 3: Cross multiply
    43,550.52x = 65,310.09 × 15,079.74
  4. Step 4: Simplify right side
    43,550.52x = 984,859,176.58
  5. Step 5: Solve for x
    x = 984,859,176.58/43,550.52
  6. Step 6: Final answer
    x = 22,614.18

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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.