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Finding the Fourth Proportional to 17,993.25, 26,997.69 and 9,663.57

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Solution

The fourth proportional to 17,993.25, 26,997.69 and 9,663.57 is: 14,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.25 : 26,997.69 = 9,663.57 : x
  2. Step 2: Convert to fraction form
    17,993.25/26,997.69 = 9,663.57/x
  3. Step 3: Cross multiply
    17,993.25x = 26,997.69 × 9,663.57
  4. Step 4: Simplify right side
    17,993.25x = 260,894,067.15
  5. Step 5: Solve for x
    x = 260,894,067.15/17,993.25
  6. Step 6: Final answer
    x = 14,499.55

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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.