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Finding the Fourth Proportional to 8,462.68, 12,691.56 and 3,267.34

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Solution

The fourth proportional to 8,462.68, 12,691.56 and 3,267.34 is: 4,900.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.68 : 12,691.56 = 3,267.34 : x
  2. Step 2: Convert to fraction form
    8,462.68/12,691.56 = 3,267.34/x
  3. Step 3: Cross multiply
    8,462.68x = 12,691.56 × 3,267.34
  4. Step 4: Simplify right side
    8,462.68x = 41,467,641.65
  5. Step 5: Solve for x
    x = 41,467,641.65/8,462.68
  6. Step 6: Final answer
    x = 4,900.06

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1.5x scale

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.