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Finding the Fourth Proportional to 57,874.08, 79,865.92 and 32,380.44

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Solution

The fourth proportional to 57,874.08, 79,865.92 and 32,380.44 is: 44,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,874.08 : 79,865.92 = 32,380.44 : x
  2. Step 2: Convert to fraction form
    57,874.08/79,865.92 = 32,380.44/x
  3. Step 3: Cross multiply
    57,874.08x = 79,865.92 × 32,380.44
  4. Step 4: Simplify right side
    57,874.08x = 2,586,093,630.60
  5. Step 5: Solve for x
    x = 2,586,093,630.60/57,874.08
  6. Step 6: Final answer
    x = 44,684.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.