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Finding the Fourth Proportional to 57,620.75, 86,423.83 and 22,585.01

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Solution

The fourth proportional to 57,620.75, 86,423.83 and 22,585.01 is: 33,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,620.75 : 86,423.83 = 22,585.01 : x
  2. Step 2: Convert to fraction form
    57,620.75/86,423.83 = 22,585.01/x
  3. Step 3: Cross multiply
    57,620.75x = 86,423.83 × 22,585.01
  4. Step 4: Simplify right side
    57,620.75x = 1,951,882,576.21
  5. Step 5: Solve for x
    x = 1,951,882,576.21/57,620.75
  6. Step 6: Final answer
    x = 33,874.65

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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.