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Finding the Fourth Proportional to 57,983.38, 86,907.87 and 26,753.62

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Solution

The fourth proportional to 57,983.38, 86,907.87 and 26,753.62 is: 40,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,983.38 : 86,907.87 = 26,753.62 : x
  2. Step 2: Convert to fraction form
    57,983.38/86,907.87 = 26,753.62/x
  3. Step 3: Cross multiply
    57,983.38x = 86,907.87 × 26,753.62
  4. Step 4: Simplify right side
    57,983.38x = 2,325,100,128.99
  5. Step 5: Solve for x
    x = 2,325,100,128.99/57,983.38
  6. Step 6: Final answer
    x = 40,099.42

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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.