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Finding the Fourth Proportional to 3,963.98, 5,942.46 and 2,017.28

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Solution

The fourth proportional to 3,963.98, 5,942.46 and 2,017.28 is: 3,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.98 : 5,942.46 = 2,017.28 : x
  2. Step 2: Convert to fraction form
    3,963.98/5,942.46 = 2,017.28/x
  3. Step 3: Cross multiply
    3,963.98x = 5,942.46 × 2,017.28
  4. Step 4: Simplify right side
    3,963.98x = 11,987,605.71
  5. Step 5: Solve for x
    x = 11,987,605.71/3,963.98
  6. Step 6: Final answer
    x = 3,024.13

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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.