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Finding the Fourth Proportional to 5,255.18, 7,251.92 and 2,865.09

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Solution

The fourth proportional to 5,255.18, 7,251.92 and 2,865.09 is: 3,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.18 : 7,251.92 = 2,865.09 : x
  2. Step 2: Convert to fraction form
    5,255.18/7,251.92 = 2,865.09/x
  3. Step 3: Cross multiply
    5,255.18x = 7,251.92 × 2,865.09
  4. Step 4: Simplify right side
    5,255.18x = 20,777,389.15
  5. Step 5: Solve for x
    x = 20,777,389.15/5,255.18
  6. Step 6: Final answer
    x = 3,953.70

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