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Finding the Fourth Proportional to 6,654.45, 9,982.46 and 2,212.52

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Solution

The fourth proportional to 6,654.45, 9,982.46 and 2,212.52 is: 3,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.45 : 9,982.46 = 2,212.52 : x
  2. Step 2: Convert to fraction form
    6,654.45/9,982.46 = 2,212.52/x
  3. Step 3: Cross multiply
    6,654.45x = 9,982.46 × 2,212.52
  4. Step 4: Simplify right side
    6,654.45x = 22,086,331.42
  5. Step 5: Solve for x
    x = 22,086,331.42/6,654.45
  6. Step 6: Final answer
    x = 3,319.03

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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.