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Finding the Fourth Proportional to 57,737.98, 86,609.38 and 18,294.22

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Solution

The fourth proportional to 57,737.98, 86,609.38 and 18,294.22 is: 27,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,737.98 : 86,609.38 = 18,294.22 : x
  2. Step 2: Convert to fraction form
    57,737.98/86,609.38 = 18,294.22/x
  3. Step 3: Cross multiply
    57,737.98x = 86,609.38 × 18,294.22
  4. Step 4: Simplify right side
    57,737.98x = 1,584,451,051.78
  5. Step 5: Solve for x
    x = 1,584,451,051.78/57,737.98
  6. Step 6: Final answer
    x = 27,442.09

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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.