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Finding the Fourth Proportional to 17,993.88, 26,997.03 and 7,469.55

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Solution

The fourth proportional to 17,993.88, 26,997.03 and 7,469.55 is: 11,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.88 : 26,997.03 = 7,469.55 : x
  2. Step 2: Convert to fraction form
    17,993.88/26,997.03 = 7,469.55/x
  3. Step 3: Cross multiply
    17,993.88x = 26,997.03 × 7,469.55
  4. Step 4: Simplify right side
    17,993.88x = 201,655,665.44
  5. Step 5: Solve for x
    x = 201,655,665.44/17,993.88
  6. Step 6: Final answer
    x = 11,206.90

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1.5x scale

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.