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Finding the Fourth Proportional to 36,892.88, 50,912.11 and 20,125.88

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Solution

The fourth proportional to 36,892.88, 50,912.11 and 20,125.88 is: 27,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,892.88 : 50,912.11 = 20,125.88 : x
  2. Step 2: Convert to fraction form
    36,892.88/50,912.11 = 20,125.88/x
  3. Step 3: Cross multiply
    36,892.88x = 50,912.11 × 20,125.88
  4. Step 4: Simplify right side
    36,892.88x = 1,024,651,016.41
  5. Step 5: Solve for x
    x = 1,024,651,016.41/36,892.88
  6. Step 6: Final answer
    x = 27,773.68

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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.