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Finding the Fourth Proportional to 8,372.53, 12,559.10 and 2,529.19

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Solution

The fourth proportional to 8,372.53, 12,559.10 and 2,529.19 is: 3,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.53 : 12,559.10 = 2,529.19 : x
  2. Step 2: Convert to fraction form
    8,372.53/12,559.10 = 2,529.19/x
  3. Step 3: Cross multiply
    8,372.53x = 12,559.10 × 2,529.19
  4. Step 4: Simplify right side
    8,372.53x = 31,764,306.09
  5. Step 5: Solve for x
    x = 31,764,306.09/8,372.53
  6. Step 6: Final answer
    x = 3,793.87

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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.