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Finding the Fourth Proportional to 36,774.44, 55,169.86 and 13,400.88

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Solution

The fourth proportional to 36,774.44, 55,169.86 and 13,400.88 is: 20,104.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,774.44 : 55,169.86 = 13,400.88 : x
  2. Step 2: Convert to fraction form
    36,774.44/55,169.86 = 13,400.88/x
  3. Step 3: Cross multiply
    36,774.44x = 55,169.86 × 13,400.88
  4. Step 4: Simplify right side
    36,774.44x = 739,324,673.48
  5. Step 5: Solve for x
    x = 739,324,673.48/36,774.44
  6. Step 6: Final answer
    x = 20,104.31

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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.