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Finding the Fourth Proportional to 33,975.87, 50,906.22 and 20,800.71

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Solution

The fourth proportional to 33,975.87, 50,906.22 and 20,800.71 is: 31,165.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,975.87 : 50,906.22 = 20,800.71 : x
  2. Step 2: Convert to fraction form
    33,975.87/50,906.22 = 20,800.71/x
  3. Step 3: Cross multiply
    33,975.87x = 50,906.22 × 20,800.71
  4. Step 4: Simplify right side
    33,975.87x = 1,058,885,519.42
  5. Step 5: Solve for x
    x = 1,058,885,519.42/33,975.87
  6. Step 6: Final answer
    x = 31,165.81

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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.