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Finding the Fourth Proportional to 6,654.62, 9,981.92 and 2,708.03

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Solution

The fourth proportional to 6,654.62, 9,981.92 and 2,708.03 is: 4,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.62 : 9,981.92 = 2,708.03 : x
  2. Step 2: Convert to fraction form
    6,654.62/9,981.92 = 2,708.03/x
  3. Step 3: Cross multiply
    6,654.62x = 9,981.92 × 2,708.03
  4. Step 4: Simplify right side
    6,654.62x = 27,031,295.68
  5. Step 5: Solve for x
    x = 27,031,295.68/6,654.62
  6. Step 6: Final answer
    x = 4,062.03

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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.