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Finding the Fourth Proportional to 24,188.80, 33,380.64 and 13,578.96

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Solution

The fourth proportional to 24,188.80, 33,380.64 and 13,578.96 is: 18,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,188.80 : 33,380.64 = 13,578.96 : x
  2. Step 2: Convert to fraction form
    24,188.80/33,380.64 = 13,578.96/x
  3. Step 3: Cross multiply
    24,188.80x = 33,380.64 × 13,578.96
  4. Step 4: Simplify right side
    24,188.80x = 453,274,375.33
  5. Step 5: Solve for x
    x = 453,274,375.33/24,188.80
  6. Step 6: Final answer
    x = 18,739.02

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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.