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Finding the Fourth Proportional to 2,332.52, 3,499.11 and 688.85

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Solution

The fourth proportional to 2,332.52, 3,499.11 and 688.85 is: 1,033.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.52 : 3,499.11 = 688.85 : x
  2. Step 2: Convert to fraction form
    2,332.52/3,499.11 = 688.85/x
  3. Step 3: Cross multiply
    2,332.52x = 3,499.11 × 688.85
  4. Step 4: Simplify right side
    2,332.52x = 2,410,344.43
  5. Step 5: Solve for x
    x = 2,410,344.43/2,332.52
  6. Step 6: Final answer
    x = 1,033.37

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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.