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Finding the Fourth Proportional to 57,620.62, 86,423.64 and 22,584.88

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Solution

The fourth proportional to 57,620.62, 86,423.64 and 22,584.88 is: 33,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,620.62 : 86,423.64 = 22,584.88 : x
  2. Step 2: Convert to fraction form
    57,620.62/86,423.64 = 22,584.88/x
  3. Step 3: Cross multiply
    57,620.62x = 86,423.64 × 22,584.88
  4. Step 4: Simplify right side
    57,620.62x = 1,951,867,538.56
  5. Step 5: Solve for x
    x = 1,951,867,538.56/57,620.62
  6. Step 6: Final answer
    x = 33,874.46

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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.