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Finding the Fourth Proportional to 57,991.97, 80,067.47 and 44,539.19

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Solution

The fourth proportional to 57,991.97, 80,067.47 and 44,539.19 is: 61,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,991.97 : 80,067.47 = 44,539.19 : x
  2. Step 2: Convert to fraction form
    57,991.97/80,067.47 = 44,539.19/x
  3. Step 3: Cross multiply
    57,991.97x = 80,067.47 × 44,539.19
  4. Step 4: Simplify right side
    57,991.97x = 3,566,140,259.15
  5. Step 5: Solve for x
    x = 3,566,140,259.15/57,991.97
  6. Step 6: Final answer
    x = 61,493.69

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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.