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Finding the Fourth Proportional to 8,245.67, 12,369.92 and 2,697.44

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Solution

The fourth proportional to 8,245.67, 12,369.92 and 2,697.44 is: 4,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.67 : 12,369.92 = 2,697.44 : x
  2. Step 2: Convert to fraction form
    8,245.67/12,369.92 = 2,697.44/x
  3. Step 3: Cross multiply
    8,245.67x = 12,369.92 × 2,697.44
  4. Step 4: Simplify right side
    8,245.67x = 33,367,041.67
  5. Step 5: Solve for x
    x = 33,367,041.67/8,245.67
  6. Step 6: Final answer
    x = 4,046.62

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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.