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Finding the Fourth Proportional to 3,963.70, 5,946.23 and 1,366.03

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Solution

The fourth proportional to 3,963.70, 5,946.23 and 1,366.03 is: 2,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.70 : 5,946.23 = 1,366.03 : x
  2. Step 2: Convert to fraction form
    3,963.70/5,946.23 = 1,366.03/x
  3. Step 3: Cross multiply
    3,963.70x = 5,946.23 × 1,366.03
  4. Step 4: Simplify right side
    3,963.70x = 8,122,731.73
  5. Step 5: Solve for x
    x = 8,122,731.73/3,963.70
  6. Step 6: Final answer
    x = 2,049.28

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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.