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Finding the Fourth Proportional to 8,472.48, 12,708.81 and 2,233.39

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Solution

The fourth proportional to 8,472.48, 12,708.81 and 2,233.39 is: 3,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472.48 : 12,708.81 = 2,233.39 : x
  2. Step 2: Convert to fraction form
    8,472.48/12,708.81 = 2,233.39/x
  3. Step 3: Cross multiply
    8,472.48x = 12,708.81 × 2,233.39
  4. Step 4: Simplify right side
    8,472.48x = 28,383,729.17
  5. Step 5: Solve for x
    x = 28,383,729.17/8,472.48
  6. Step 6: Final answer
    x = 3,350.11

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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.