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Finding the Fourth Proportional to 3,963.72, 5,940.02 and 3,375.66

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Solution

The fourth proportional to 3,963.72, 5,940.02 and 3,375.66 is: 5,058.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.72 : 5,940.02 = 3,375.66 : x
  2. Step 2: Convert to fraction form
    3,963.72/5,940.02 = 3,375.66/x
  3. Step 3: Cross multiply
    3,963.72x = 5,940.02 × 3,375.66
  4. Step 4: Simplify right side
    3,963.72x = 20,051,487.91
  5. Step 5: Solve for x
    x = 20,051,487.91/3,963.72
  6. Step 6: Final answer
    x = 5,058.75

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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.