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Finding the Fourth Proportional to 33,900.87, 50,846.97 and 8,942.80

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Solution

The fourth proportional to 33,900.87, 50,846.97 and 8,942.80 is: 13,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,900.87 : 50,846.97 = 8,942.80 : x
  2. Step 2: Convert to fraction form
    33,900.87/50,846.97 = 8,942.80/x
  3. Step 3: Cross multiply
    33,900.87x = 50,846.97 × 8,942.80
  4. Step 4: Simplify right side
    33,900.87x = 454,714,029.08
  5. Step 5: Solve for x
    x = 454,714,029.08/33,900.87
  6. Step 6: Final answer
    x = 13,413.05

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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.