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Finding the Fourth Proportional to 26,422.97, 39,634.17 and 7,954.97

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Solution

The fourth proportional to 26,422.97, 39,634.17 and 7,954.97 is: 11,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.97 : 39,634.17 = 7,954.97 : x
  2. Step 2: Convert to fraction form
    26,422.97/39,634.17 = 7,954.97/x
  3. Step 3: Cross multiply
    26,422.97x = 39,634.17 × 7,954.97
  4. Step 4: Simplify right side
    26,422.97x = 315,288,435.15
  5. Step 5: Solve for x
    x = 315,288,435.15/26,422.97
  6. Step 6: Final answer
    x = 11,932.36

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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.