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Finding the Fourth Proportional to 4,912.52, 7,369.11 and 3,744.36

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Solution

The fourth proportional to 4,912.52, 7,369.11 and 3,744.36 is: 5,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.52 : 7,369.11 = 3,744.36 : x
  2. Step 2: Convert to fraction form
    4,912.52/7,369.11 = 3,744.36/x
  3. Step 3: Cross multiply
    4,912.52x = 7,369.11 × 3,744.36
  4. Step 4: Simplify right side
    4,912.52x = 27,592,600.72
  5. Step 5: Solve for x
    x = 27,592,600.72/4,912.52
  6. Step 6: Final answer
    x = 5,616.80

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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.