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Finding the Fourth Proportional to 57,447.46, 86,171.10 and 22,411.72

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Solution

The fourth proportional to 57,447.46, 86,171.10 and 22,411.72 is: 33,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,447.46 : 86,171.10 = 22,411.72 : x
  2. Step 2: Convert to fraction form
    57,447.46/86,171.10 = 22,411.72/x
  3. Step 3: Cross multiply
    57,447.46x = 86,171.10 × 22,411.72
  4. Step 4: Simplify right side
    57,447.46x = 1,931,242,565.29
  5. Step 5: Solve for x
    x = 1,931,242,565.29/57,447.46
  6. Step 6: Final answer
    x = 33,617.54

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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.