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Finding the Fourth Proportional to 33,891.96, 50,834.70 and 20,737.56

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Solution

The fourth proportional to 33,891.96, 50,834.70 and 20,737.56 is: 31,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,891.96 : 50,834.70 = 20,737.56 : x
  2. Step 2: Convert to fraction form
    33,891.96/50,834.70 = 20,737.56/x
  3. Step 3: Cross multiply
    33,891.96x = 50,834.70 × 20,737.56
  4. Step 4: Simplify right side
    33,891.96x = 1,054,187,641.33
  5. Step 5: Solve for x
    x = 1,054,187,641.33/33,891.96
  6. Step 6: Final answer
    x = 31,104.36

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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.