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Finding the Fourth Proportional to 57,737.72, 86,609.94 and 16,187.96

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Solution

The fourth proportional to 57,737.72, 86,609.94 and 16,187.96 is: 24,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,737.72 : 86,609.94 = 16,187.96 : x
  2. Step 2: Convert to fraction form
    57,737.72/86,609.94 = 16,187.96/x
  3. Step 3: Cross multiply
    57,737.72x = 86,609.94 × 16,187.96
  4. Step 4: Simplify right side
    57,737.72x = 1,402,038,244.32
  5. Step 5: Solve for x
    x = 1,402,038,244.32/57,737.72
  6. Step 6: Final answer
    x = 24,282.88

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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.