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Finding the Fourth Proportional to 36,781.44, 50,758.92 and 20,014.44

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Solution

The fourth proportional to 36,781.44, 50,758.92 and 20,014.44 is: 27,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.44 : 50,758.92 = 20,014.44 : x
  2. Step 2: Convert to fraction form
    36,781.44/50,758.92 = 20,014.44/x
  3. Step 3: Cross multiply
    36,781.44x = 50,758.92 × 20,014.44
  4. Step 4: Simplify right side
    36,781.44x = 1,015,911,358.80
  5. Step 5: Solve for x
    x = 1,015,911,358.80/36,781.44
  6. Step 6: Final answer
    x = 27,620.22

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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.