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Finding the Fourth Proportional to 5,939.52, 8,912.48 and 2,861.52

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Solution

The fourth proportional to 5,939.52, 8,912.48 and 2,861.52 is: 4,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.52 : 8,912.48 = 2,861.52 : x
  2. Step 2: Convert to fraction form
    5,939.52/8,912.48 = 2,861.52/x
  3. Step 3: Cross multiply
    5,939.52x = 8,912.48 × 2,861.52
  4. Step 4: Simplify right side
    5,939.52x = 25,503,239.77
  5. Step 5: Solve for x
    x = 25,503,239.77/5,939.52
  6. Step 6: Final answer
    x = 4,293.82

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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.