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Finding the Fourth Proportional to 57,791.46, 79,757.94 and 33,917.62

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Solution

The fourth proportional to 57,791.46, 79,757.94 and 33,917.62 is: 46,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,791.46 : 79,757.94 = 33,917.62 : x
  2. Step 2: Convert to fraction form
    57,791.46/79,757.94 = 33,917.62/x
  3. Step 3: Cross multiply
    57,791.46x = 79,757.94 × 33,917.62
  4. Step 4: Simplify right side
    57,791.46x = 2,705,199,500.90
  5. Step 5: Solve for x
    x = 2,705,199,500.90/57,791.46
  6. Step 6: Final answer
    x = 46,809.68

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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.