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Finding the Fourth Proportional to 3,961.72, 5,942.65 and 1,497.70

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Solution

The fourth proportional to 3,961.72, 5,942.65 and 1,497.70 is: 2,246.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.72 : 5,942.65 = 1,497.70 : x
  2. Step 2: Convert to fraction form
    3,961.72/5,942.65 = 1,497.70/x
  3. Step 3: Cross multiply
    3,961.72x = 5,942.65 × 1,497.70
  4. Step 4: Simplify right side
    3,961.72x = 8,900,306.91
  5. Step 5: Solve for x
    x = 8,900,306.91/3,961.72
  6. Step 6: Final answer
    x = 2,246.58

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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.