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Finding the Fourth Proportional to 15,997.83, 23,998.77 and 5,469.87

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Solution

The fourth proportional to 15,997.83, 23,998.77 and 5,469.87 is: 8,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.83 : 23,998.77 = 5,469.87 : x
  2. Step 2: Convert to fraction form
    15,997.83/23,998.77 = 5,469.87/x
  3. Step 3: Cross multiply
    15,997.83x = 23,998.77 × 5,469.87
  4. Step 4: Simplify right side
    15,997.83x = 131,270,152.06
  5. Step 5: Solve for x
    x = 131,270,152.06/15,997.83
  6. Step 6: Final answer
    x = 8,205.50

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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.