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Finding the Fourth Proportional to 2,458.54, 3,691.86 and 1,727.92

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Solution

The fourth proportional to 2,458.54, 3,691.86 and 1,727.92 is: 2,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.54 : 3,691.86 = 1,727.92 : x
  2. Step 2: Convert to fraction form
    2,458.54/3,691.86 = 1,727.92/x
  3. Step 3: Cross multiply
    2,458.54x = 3,691.86 × 1,727.92
  4. Step 4: Simplify right side
    2,458.54x = 6,379,238.73
  5. Step 5: Solve for x
    x = 6,379,238.73/2,458.54
  6. Step 6: Final answer
    x = 2,594.73

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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.