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Finding the Fourth Proportional to 57,446.88, 86,167.88 and 18,003.12

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Solution

The fourth proportional to 57,446.88, 86,167.88 and 18,003.12 is: 27,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,446.88 : 86,167.88 = 18,003.12 : x
  2. Step 2: Convert to fraction form
    57,446.88/86,167.88 = 18,003.12/x
  3. Step 3: Cross multiply
    57,446.88x = 86,167.88 × 18,003.12
  4. Step 4: Simplify right side
    57,446.88x = 1,551,290,683.79
  5. Step 5: Solve for x
    x = 1,551,290,683.79/57,446.88
  6. Step 6: Final answer
    x = 27,003.92

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1.5x scale

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.