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Finding the Fourth Proportional to 3,711.20, 5,566.64 and 937.83

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Solution

The fourth proportional to 3,711.20, 5,566.64 and 937.83 is: 1,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.20 : 5,566.64 = 937.83 : x
  2. Step 2: Convert to fraction form
    3,711.20/5,566.64 = 937.83/x
  3. Step 3: Cross multiply
    3,711.20x = 5,566.64 × 937.83
  4. Step 4: Simplify right side
    3,711.20x = 5,220,557.30
  5. Step 5: Solve for x
    x = 5,220,557.30/3,711.20
  6. Step 6: Final answer
    x = 1,406.71

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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.