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Finding the Fourth Proportional to 57,906.13, 86,690.17 and 35,652.73

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Solution

The fourth proportional to 57,906.13, 86,690.17 and 35,652.73 is: 53,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,906.13 : 86,690.17 = 35,652.73 : x
  2. Step 2: Convert to fraction form
    57,906.13/86,690.17 = 35,652.73/x
  3. Step 3: Cross multiply
    57,906.13x = 86,690.17 × 35,652.73
  4. Step 4: Simplify right side
    57,906.13x = 3,090,741,224.66
  5. Step 5: Solve for x
    x = 3,090,741,224.66/57,906.13
  6. Step 6: Final answer
    x = 53,375.03

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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.