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Finding the Fourth Proportional to 3,963.92, 5,934.82 and 2,012.02

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Solution

The fourth proportional to 3,963.92, 5,934.82 and 2,012.02 is: 3,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.92 : 5,934.82 = 2,012.02 : x
  2. Step 2: Convert to fraction form
    3,963.92/5,934.82 = 2,012.02/x
  3. Step 3: Cross multiply
    3,963.92x = 5,934.82 × 2,012.02
  4. Step 4: Simplify right side
    3,963.92x = 11,940,976.54
  5. Step 5: Solve for x
    x = 11,940,976.54/3,963.92
  6. Step 6: Final answer
    x = 3,012.42

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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.