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Finding the Fourth Proportional to 2,380.52, 3,571.11 and 736.85

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Solution

The fourth proportional to 2,380.52, 3,571.11 and 736.85 is: 1,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.52 : 3,571.11 = 736.85 : x
  2. Step 2: Convert to fraction form
    2,380.52/3,571.11 = 736.85/x
  3. Step 3: Cross multiply
    2,380.52x = 3,571.11 × 736.85
  4. Step 4: Simplify right side
    2,380.52x = 2,631,372.40
  5. Step 5: Solve for x
    x = 2,631,372.40/2,380.52
  6. Step 6: Final answer
    x = 1,105.38

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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.