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Finding the Fourth Proportional to 80,471.97, 111,049.79 and 44,662.41

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Solution

The fourth proportional to 80,471.97, 111,049.79 and 44,662.41 is: 61,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,471.97 : 111,049.79 = 44,662.41 : x
  2. Step 2: Convert to fraction form
    80,471.97/111,049.79 = 44,662.41/x
  3. Step 3: Cross multiply
    80,471.97x = 111,049.79 × 44,662.41
  4. Step 4: Simplify right side
    80,471.97x = 4,959,751,028.08
  5. Step 5: Solve for x
    x = 4,959,751,028.08/80,471.97
  6. Step 6: Final answer
    x = 61,633.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.