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Finding the Fourth Proportional to 3,331.52, 4,997.41 and 866.27

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Solution

The fourth proportional to 3,331.52, 4,997.41 and 866.27 is: 1,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.52 : 4,997.41 = 866.27 : x
  2. Step 2: Convert to fraction form
    3,331.52/4,997.41 = 866.27/x
  3. Step 3: Cross multiply
    3,331.52x = 4,997.41 × 866.27
  4. Step 4: Simplify right side
    3,331.52x = 4,329,124.43
  5. Step 5: Solve for x
    x = 4,329,124.43/3,331.52
  6. Step 6: Final answer
    x = 1,299.44

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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.