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Finding the Fourth Proportional to 5,164.38, 7,747.03 and 1,654.48

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Solution

The fourth proportional to 5,164.38, 7,747.03 and 1,654.48 is: 2,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.38 : 7,747.03 = 1,654.48 : x
  2. Step 2: Convert to fraction form
    5,164.38/7,747.03 = 1,654.48/x
  3. Step 3: Cross multiply
    5,164.38x = 7,747.03 × 1,654.48
  4. Step 4: Simplify right side
    5,164.38x = 12,817,306.19
  5. Step 5: Solve for x
    x = 12,817,306.19/5,164.38
  6. Step 6: Final answer
    x = 2,481.87

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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.