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Finding the Fourth Proportional to 8,170.67, 12,254.17 and 3,241.41

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Solution

The fourth proportional to 8,170.67, 12,254.17 and 3,241.41 is: 4,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.67 : 12,254.17 = 3,241.41 : x
  2. Step 2: Convert to fraction form
    8,170.67/12,254.17 = 3,241.41/x
  3. Step 3: Cross multiply
    8,170.67x = 12,254.17 × 3,241.41
  4. Step 4: Simplify right side
    8,170.67x = 39,720,789.18
  5. Step 5: Solve for x
    x = 39,720,789.18/8,170.67
  6. Step 6: Final answer
    x = 4,861.39

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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.