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Finding the Fourth Proportional to 2,697.27, 4,046.24 and 749.47

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Solution

The fourth proportional to 2,697.27, 4,046.24 and 749.47 is: 1,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.27 : 4,046.24 = 749.47 : x
  2. Step 2: Convert to fraction form
    2,697.27/4,046.24 = 749.47/x
  3. Step 3: Cross multiply
    2,697.27x = 4,046.24 × 749.47
  4. Step 4: Simplify right side
    2,697.27x = 3,032,530.62
  5. Step 5: Solve for x
    x = 3,032,530.62/2,697.27
  6. Step 6: Final answer
    x = 1,124.30

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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.