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Finding the Fourth Proportional to 36,879, 50,893.02 and 20,112

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Solution

The fourth proportional to 36,879, 50,893.02 and 20,112 is: 27,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,879 : 50,893.02 = 20,112 : x
  2. Step 2: Convert to fraction form
    36,879/50,893.02 = 20,112/x
  3. Step 3: Cross multiply
    36,879x = 50,893.02 × 20,112
  4. Step 4: Simplify right side
    36,879x = 1,023,560,418.24
  5. Step 5: Solve for x
    x = 1,023,560,418.24/36,879
  6. Step 6: Final answer
    x = 27,754.56

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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.