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Finding the Fourth Proportional to 5,960.64, 8,227.23 and 3,721.11

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Solution

The fourth proportional to 5,960.64, 8,227.23 and 3,721.11 is: 5,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,960.64 : 8,227.23 = 3,721.11 : x
  2. Step 2: Convert to fraction form
    5,960.64/8,227.23 = 3,721.11/x
  3. Step 3: Cross multiply
    5,960.64x = 8,227.23 × 3,721.11
  4. Step 4: Simplify right side
    5,960.64x = 30,614,427.83
  5. Step 5: Solve for x
    x = 30,614,427.83/5,960.64
  6. Step 6: Final answer
    x = 5,136.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.