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Finding the Fourth Proportional to 2,468.78, 3,702.90 and 737

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Solution

The fourth proportional to 2,468.78, 3,702.90 and 737 is: 1,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468.78 : 3,702.90 = 737 : x
  2. Step 2: Convert to fraction form
    2,468.78/3,702.90 = 737/x
  3. Step 3: Cross multiply
    2,468.78x = 3,702.90 × 737
  4. Step 4: Simplify right side
    2,468.78x = 2,729,037.30
  5. Step 5: Solve for x
    x = 2,729,037.30/2,468.78
  6. Step 6: Final answer
    x = 1,105.42

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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.