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Finding the Fourth Proportional to 22,408.60, 33,645.30 and 16,900.60

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Solution

The fourth proportional to 22,408.60, 33,645.30 and 16,900.60 is: 25,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,408.60 : 33,645.30 = 16,900.60 : x
  2. Step 2: Convert to fraction form
    22,408.60/33,645.30 = 16,900.60/x
  3. Step 3: Cross multiply
    22,408.60x = 33,645.30 × 16,900.60
  4. Step 4: Simplify right side
    22,408.60x = 568,625,757.18
  5. Step 5: Solve for x
    x = 568,625,757.18/22,408.60
  6. Step 6: Final answer
    x = 25,375.34

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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.