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Finding the Fourth Proportional to 33,910.62, 50,791.95 and 20,723.01

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Solution

The fourth proportional to 33,910.62, 50,791.95 and 20,723.01 is: 31,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,910.62 : 50,791.95 = 20,723.01 : x
  2. Step 2: Convert to fraction form
    33,910.62/50,791.95 = 20,723.01/x
  3. Step 3: Cross multiply
    33,910.62x = 50,791.95 × 20,723.01
  4. Step 4: Simplify right side
    33,910.62x = 1,052,562,087.77
  5. Step 5: Solve for x
    x = 1,052,562,087.77/33,910.62
  6. Step 6: Final answer
    x = 31,039.31

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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.