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Finding the Fourth Proportional to 26,474, 39,684.24 and 16,620.24

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Solution

The fourth proportional to 26,474, 39,684.24 and 16,620.24 is: 24,913.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,474 : 39,684.24 = 16,620.24 : x
  2. Step 2: Convert to fraction form
    26,474/39,684.24 = 16,620.24/x
  3. Step 3: Cross multiply
    26,474x = 39,684.24 × 16,620.24
  4. Step 4: Simplify right side
    26,474x = 659,561,593.02
  5. Step 5: Solve for x
    x = 659,561,593.02/26,474
  6. Step 6: Final answer
    x = 24,913.56

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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.