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Finding the Fourth Proportional to 36,891.50, 50,910.27 and 20,124.50

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Solution

The fourth proportional to 36,891.50, 50,910.27 and 20,124.50 is: 27,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,891.50 : 50,910.27 = 20,124.50 : x
  2. Step 2: Convert to fraction form
    36,891.50/50,910.27 = 20,124.50/x
  3. Step 3: Cross multiply
    36,891.50x = 50,910.27 × 20,124.50
  4. Step 4: Simplify right side
    36,891.50x = 1,024,543,728.62
  5. Step 5: Solve for x
    x = 1,024,543,728.62/36,891.50
  6. Step 6: Final answer
    x = 27,771.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.