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Finding the Fourth Proportional to 50,761.97, 76,142.71 and 33,859.25

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Solution

The fourth proportional to 50,761.97, 76,142.71 and 33,859.25 is: 50,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,761.97 : 76,142.71 = 33,859.25 : x
  2. Step 2: Convert to fraction form
    50,761.97/76,142.71 = 33,859.25/x
  3. Step 3: Cross multiply
    50,761.97x = 76,142.71 × 33,859.25
  4. Step 4: Simplify right side
    50,761.97x = 2,578,135,053.57
  5. Step 5: Solve for x
    x = 2,578,135,053.57/50,761.97
  6. Step 6: Final answer
    x = 50,788.71

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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.