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Finding the Fourth Proportional to 33,665.88, 50,500.89 and 13,945.98

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Solution

The fourth proportional to 33,665.88, 50,500.89 and 13,945.98 is: 20,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,665.88 : 50,500.89 = 13,945.98 : x
  2. Step 2: Convert to fraction form
    33,665.88/50,500.89 = 13,945.98/x
  3. Step 3: Cross multiply
    33,665.88x = 50,500.89 × 13,945.98
  4. Step 4: Simplify right side
    33,665.88x = 704,284,401.92
  5. Step 5: Solve for x
    x = 704,284,401.92/33,665.88
  6. Step 6: Final answer
    x = 20,919.83

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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.