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Finding the Fourth Proportional to 1,244.58, 1,863.27 and 937.73

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Solution

The fourth proportional to 1,244.58, 1,863.27 and 937.73 is: 1,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.58 : 1,863.27 = 937.73 : x
  2. Step 2: Convert to fraction form
    1,244.58/1,863.27 = 937.73/x
  3. Step 3: Cross multiply
    1,244.58x = 1,863.27 × 937.73
  4. Step 4: Simplify right side
    1,244.58x = 1,747,234.86
  5. Step 5: Solve for x
    x = 1,747,234.86/1,244.58
  6. Step 6: Final answer
    x = 1,403.88

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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.