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Finding the Fourth Proportional to 57,896.73, 86,845.05 and 16,343.73

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Solution

The fourth proportional to 57,896.73, 86,845.05 and 16,343.73 is: 24,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,896.73 : 86,845.05 = 16,343.73 : x
  2. Step 2: Convert to fraction form
    57,896.73/86,845.05 = 16,343.73/x
  3. Step 3: Cross multiply
    57,896.73x = 86,845.05 × 16,343.73
  4. Step 4: Simplify right side
    57,896.73x = 1,419,372,049.04
  5. Step 5: Solve for x
    x = 1,419,372,049.04/57,896.73
  6. Step 6: Final answer
    x = 24,515.58

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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.