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Finding the Fourth Proportional to 36,882.63, 50,897.97 and 20,115.63

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Solution

The fourth proportional to 36,882.63, 50,897.97 and 20,115.63 is: 27,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,882.63 : 50,897.97 = 20,115.63 : x
  2. Step 2: Convert to fraction form
    36,882.63/50,897.97 = 20,115.63/x
  3. Step 3: Cross multiply
    36,882.63x = 50,897.97 × 20,115.63
  4. Step 4: Simplify right side
    36,882.63x = 1,023,844,732.27
  5. Step 5: Solve for x
    x = 1,023,844,732.27/36,882.63
  6. Step 6: Final answer
    x = 27,759.54

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1.5x scale

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.