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Finding the Fourth Proportional to 57,910.64, 79,902.90 and 35,249.36

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Solution

The fourth proportional to 57,910.64, 79,902.90 and 35,249.36 is: 48,635.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,910.64 : 79,902.90 = 35,249.36 : x
  2. Step 2: Convert to fraction form
    57,910.64/79,902.90 = 35,249.36/x
  3. Step 3: Cross multiply
    57,910.64x = 79,902.90 × 35,249.36
  4. Step 4: Simplify right side
    57,910.64x = 2,816,526,087.14
  5. Step 5: Solve for x
    x = 2,816,526,087.14/57,910.64
  6. Step 6: Final answer
    x = 48,635.73

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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.