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Finding the Fourth Proportional to 24,399.56, 33,671.41 and 13,221.56

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Solution

The fourth proportional to 24,399.56, 33,671.41 and 13,221.56 is: 18,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,399.56 : 33,671.41 = 13,221.56 : x
  2. Step 2: Convert to fraction form
    24,399.56/33,671.41 = 13,221.56/x
  3. Step 3: Cross multiply
    24,399.56x = 33,671.41 × 13,221.56
  4. Step 4: Simplify right side
    24,399.56x = 445,188,567.60
  5. Step 5: Solve for x
    x = 445,188,567.60/24,399.56
  6. Step 6: Final answer
    x = 18,245.76

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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.