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Finding the Fourth Proportional to 17,997.78, 26,941.29 and 11,744.33

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Solution

The fourth proportional to 17,997.78, 26,941.29 and 11,744.33 is: 17,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997.78 : 26,941.29 = 11,744.33 : x
  2. Step 2: Convert to fraction form
    17,997.78/26,941.29 = 11,744.33/x
  3. Step 3: Cross multiply
    17,997.78x = 26,941.29 × 11,744.33
  4. Step 4: Simplify right side
    17,997.78x = 316,407,265.68
  5. Step 5: Solve for x
    x = 316,407,265.68/17,997.78
  6. Step 6: Final answer
    x = 17,580.35

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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.