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Finding the Fourth Proportional to 8,463.50, 11,676.92 and 5,481.62

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Solution

The fourth proportional to 8,463.50, 11,676.92 and 5,481.62 is: 7,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.50 : 11,676.92 = 5,481.62 : x
  2. Step 2: Convert to fraction form
    8,463.50/11,676.92 = 5,481.62/x
  3. Step 3: Cross multiply
    8,463.50x = 11,676.92 × 5,481.62
  4. Step 4: Simplify right side
    8,463.50x = 64,008,438.21
  5. Step 5: Solve for x
    x = 64,008,438.21/8,463.50
  6. Step 6: Final answer
    x = 7,562.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.