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Finding the Fourth Proportional to 57,909.52, 86,880.48 and 38,226.52

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Solution

The fourth proportional to 57,909.52, 86,880.48 and 38,226.52 is: 57,350.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,909.52 : 86,880.48 = 38,226.52 : x
  2. Step 2: Convert to fraction form
    57,909.52/86,880.48 = 38,226.52/x
  3. Step 3: Cross multiply
    57,909.52x = 86,880.48 × 38,226.52
  4. Step 4: Simplify right side
    57,909.52x = 3,321,138,406.33
  5. Step 5: Solve for x
    x = 3,321,138,406.33/57,909.52
  6. Step 6: Final answer
    x = 57,350.47

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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.