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Finding the Fourth Proportional to 67,327.44, 100,991.16 and 18,079.44

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Solution

The fourth proportional to 67,327.44, 100,991.16 and 18,079.44 is: 27,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,327.44 : 100,991.16 = 18,079.44 : x
  2. Step 2: Convert to fraction form
    67,327.44/100,991.16 = 18,079.44/x
  3. Step 3: Cross multiply
    67,327.44x = 100,991.16 × 18,079.44
  4. Step 4: Simplify right side
    67,327.44x = 1,825,863,617.75
  5. Step 5: Solve for x
    x = 1,825,863,617.75/67,327.44
  6. Step 6: Final answer
    x = 27,119.16

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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.