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Finding the Fourth Proportional to 62,843.97, 94,245.92 and 20,716.20

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Solution

The fourth proportional to 62,843.97, 94,245.92 and 20,716.20 is: 31,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,843.97 : 94,245.92 = 20,716.20 : x
  2. Step 2: Convert to fraction form
    62,843.97/94,245.92 = 20,716.20/x
  3. Step 3: Cross multiply
    62,843.97x = 94,245.92 × 20,716.20
  4. Step 4: Simplify right side
    62,843.97x = 1,952,417,418.54
  5. Step 5: Solve for x
    x = 1,952,417,418.54/62,843.97
  6. Step 6: Final answer
    x = 31,067.70

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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.