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Finding the Fourth Proportional to 8,500.96, 12,753.92 and 3,568

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Solution

The fourth proportional to 8,500.96, 12,753.92 and 3,568 is: 5,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.96 : 12,753.92 = 3,568 : x
  2. Step 2: Convert to fraction form
    8,500.96/12,753.92 = 3,568/x
  3. Step 3: Cross multiply
    8,500.96x = 12,753.92 × 3,568
  4. Step 4: Simplify right side
    8,500.96x = 45,505,986.56
  5. Step 5: Solve for x
    x = 45,505,986.56/8,500.96
  6. Step 6: Final answer
    x = 5,353.04

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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.