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Finding the Fourth Proportional to 3,324.92, 4,987.91 and 1,015.88

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Solution

The fourth proportional to 3,324.92, 4,987.91 and 1,015.88 is: 1,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.92 : 4,987.91 = 1,015.88 : x
  2. Step 2: Convert to fraction form
    3,324.92/4,987.91 = 1,015.88/x
  3. Step 3: Cross multiply
    3,324.92x = 4,987.91 × 1,015.88
  4. Step 4: Simplify right side
    3,324.92x = 5,067,095.61
  5. Step 5: Solve for x
    x = 5,067,095.61/3,324.92
  6. Step 6: Final answer
    x = 1,523.98

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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.