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Finding the Fourth Proportional to 26,594.43, 39,891.47 and 8,126.43

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Solution

The fourth proportional to 26,594.43, 39,891.47 and 8,126.43 is: 12,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,594.43 : 39,891.47 = 8,126.43 : x
  2. Step 2: Convert to fraction form
    26,594.43/39,891.47 = 8,126.43/x
  3. Step 3: Cross multiply
    26,594.43x = 39,891.47 × 8,126.43
  4. Step 4: Simplify right side
    26,594.43x = 324,175,197.92
  5. Step 5: Solve for x
    x = 324,175,197.92/26,594.43
  6. Step 6: Final answer
    x = 12,189.59

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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.