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Finding the Fourth Proportional to 33,900.87, 50,846.97 and 8,942.79

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Solution

The fourth proportional to 33,900.87, 50,846.97 and 8,942.79 is: 13,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,900.87 : 50,846.97 = 8,942.79 : x
  2. Step 2: Convert to fraction form
    33,900.87/50,846.97 = 8,942.79/x
  3. Step 3: Cross multiply
    33,900.87x = 50,846.97 × 8,942.79
  4. Step 4: Simplify right side
    33,900.87x = 454,713,774.85
  5. Step 5: Solve for x
    x = 454,713,774.85/33,900.87
  6. Step 6: Final answer
    x = 13,413.04

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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.