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Finding the Fourth Proportional to 8,234.43, 12,354.43 and 2,613.03

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Solution

The fourth proportional to 8,234.43, 12,354.43 and 2,613.03 is: 3,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.43 : 12,354.43 = 2,613.03 : x
  2. Step 2: Convert to fraction form
    8,234.43/12,354.43 = 2,613.03/x
  3. Step 3: Cross multiply
    8,234.43x = 12,354.43 × 2,613.03
  4. Step 4: Simplify right side
    8,234.43x = 32,282,496.22
  5. Step 5: Solve for x
    x = 32,282,496.22/8,234.43
  6. Step 6: Final answer
    x = 3,920.43

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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.