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Finding the Fourth Proportional to 17,614.44, 26,422.86 and 6,520.86

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Solution

The fourth proportional to 17,614.44, 26,422.86 and 6,520.86 is: 9,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,614.44 : 26,422.86 = 6,520.86 : x
  2. Step 2: Convert to fraction form
    17,614.44/26,422.86 = 6,520.86/x
  3. Step 3: Cross multiply
    17,614.44x = 26,422.86 × 6,520.86
  4. Step 4: Simplify right side
    17,614.44x = 172,299,770.86
  5. Step 5: Solve for x
    x = 172,299,770.86/17,614.44
  6. Step 6: Final answer
    x = 9,781.73

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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.