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Finding the Fourth Proportional to 17,993.24, 27,126.87 and 16,724.78

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Solution

The fourth proportional to 17,993.24, 27,126.87 and 16,724.78 is: 25,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.24 : 27,126.87 = 16,724.78 : x
  2. Step 2: Convert to fraction form
    17,993.24/27,126.87 = 16,724.78/x
  3. Step 3: Cross multiply
    17,993.24x = 27,126.87 × 16,724.78
  4. Step 4: Simplify right side
    17,993.24x = 453,690,977.33
  5. Step 5: Solve for x
    x = 453,690,977.33/17,993.24
  6. Step 6: Final answer
    x = 25,214.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.