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Finding the Fourth Proportional to 17,493, 26,240.22 and 5,181

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Solution

The fourth proportional to 17,493, 26,240.22 and 5,181 is: 7,771.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,493 : 26,240.22 = 5,181 : x
  2. Step 2: Convert to fraction form
    17,493/26,240.22 = 5,181/x
  3. Step 3: Cross multiply
    17,493x = 26,240.22 × 5,181
  4. Step 4: Simplify right side
    17,493x = 135,950,579.82
  5. Step 5: Solve for x
    x = 135,950,579.82/17,493
  6. Step 6: Final answer
    x = 7,771.71

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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.