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Finding the Fourth Proportional to 36,674.96, 55,010.60 and 20,067.44

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Solution

The fourth proportional to 36,674.96, 55,010.60 and 20,067.44 is: 30,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,674.96 : 55,010.60 = 20,067.44 : x
  2. Step 2: Convert to fraction form
    36,674.96/55,010.60 = 20,067.44/x
  3. Step 3: Cross multiply
    36,674.96x = 55,010.60 × 20,067.44
  4. Step 4: Simplify right side
    36,674.96x = 1,103,921,914.86
  5. Step 5: Solve for x
    x = 1,103,921,914.86/36,674.96
  6. Step 6: Final answer
    x = 30,100.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.