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Finding the Fourth Proportional to 36,885.88, 50,902.68 and 20,118.88

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Solution

The fourth proportional to 36,885.88, 50,902.68 and 20,118.88 is: 27,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885.88 : 50,902.68 = 20,118.88 : x
  2. Step 2: Convert to fraction form
    36,885.88/50,902.68 = 20,118.88/x
  3. Step 3: Cross multiply
    36,885.88x = 50,902.68 × 20,118.88
  4. Step 4: Simplify right side
    36,885.88x = 1,024,104,910.60
  5. Step 5: Solve for x
    x = 1,024,104,910.60/36,885.88
  6. Step 6: Final answer
    x = 27,764.14

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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.