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Finding the Fourth Proportional to 24,399.88, 33,671.83 and 13,221.88

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Solution

The fourth proportional to 24,399.88, 33,671.83 and 13,221.88 is: 18,246.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,399.88 : 33,671.83 = 13,221.88 : x
  2. Step 2: Convert to fraction form
    24,399.88/33,671.83 = 13,221.88/x
  3. Step 3: Cross multiply
    24,399.88x = 33,671.83 × 13,221.88
  4. Step 4: Simplify right side
    24,399.88x = 445,204,727.28
  5. Step 5: Solve for x
    x = 445,204,727.28/24,399.88
  6. Step 6: Final answer
    x = 18,246.19

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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.