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Finding the Fourth Proportional to 32,906.88, 45,408.96 and 18,757.44

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Solution

The fourth proportional to 32,906.88, 45,408.96 and 18,757.44 is: 25,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,906.88 : 45,408.96 = 18,757.44 : x
  2. Step 2: Convert to fraction form
    32,906.88/45,408.96 = 18,757.44/x
  3. Step 3: Cross multiply
    32,906.88x = 45,408.96 × 18,757.44
  4. Step 4: Simplify right side
    32,906.88x = 851,755,842.66
  5. Step 5: Solve for x
    x = 851,755,842.66/32,906.88
  6. Step 6: Final answer
    x = 25,883.82

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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.