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Finding the Fourth Proportional to 2,691.52, 4,037.43 and 960.14

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Solution

The fourth proportional to 2,691.52, 4,037.43 and 960.14 is: 1,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.52 : 4,037.43 = 960.14 : x
  2. Step 2: Convert to fraction form
    2,691.52/4,037.43 = 960.14/x
  3. Step 3: Cross multiply
    2,691.52x = 4,037.43 × 960.14
  4. Step 4: Simplify right side
    2,691.52x = 3,876,498.04
  5. Step 5: Solve for x
    x = 3,876,498.04/2,691.52
  6. Step 6: Final answer
    x = 1,440.26

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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.