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Finding the Fourth Proportional to 3,773.80, 5,658.27 and 1,581.94

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Solution

The fourth proportional to 3,773.80, 5,658.27 and 1,581.94 is: 2,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.80 : 5,658.27 = 1,581.94 : x
  2. Step 2: Convert to fraction form
    3,773.80/5,658.27 = 1,581.94/x
  3. Step 3: Cross multiply
    3,773.80x = 5,658.27 × 1,581.94
  4. Step 4: Simplify right side
    3,773.80x = 8,951,043.64
  5. Step 5: Solve for x
    x = 8,951,043.64/3,773.80
  6. Step 6: Final answer
    x = 2,371.89

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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.