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Finding the Fourth Proportional to 57,906.03, 79,909.56 and 32,755.53

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Solution

The fourth proportional to 57,906.03, 79,909.56 and 32,755.53 is: 45,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,906.03 : 79,909.56 = 32,755.53 : x
  2. Step 2: Convert to fraction form
    57,906.03/79,909.56 = 32,755.53/x
  3. Step 3: Cross multiply
    57,906.03x = 79,909.56 × 32,755.53
  4. Step 4: Simplify right side
    57,906.03x = 2,617,479,989.87
  5. Step 5: Solve for x
    x = 2,617,479,989.87/57,906.03
  6. Step 6: Final answer
    x = 45,202.20

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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.