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Finding the Fourth Proportional to 8,494.33, 12,736.45 and 3,229.73

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Solution

The fourth proportional to 8,494.33, 12,736.45 and 3,229.73 is: 4,842.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.33 : 12,736.45 = 3,229.73 : x
  2. Step 2: Convert to fraction form
    8,494.33/12,736.45 = 3,229.73/x
  3. Step 3: Cross multiply
    8,494.33x = 12,736.45 × 3,229.73
  4. Step 4: Simplify right side
    8,494.33x = 41,135,264.86
  5. Step 5: Solve for x
    x = 41,135,264.86/8,494.33
  6. Step 6: Final answer
    x = 4,842.67

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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.