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Finding the Fourth Proportional to 17,912.44, 26,865.16 and 17,023.39

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Solution

The fourth proportional to 17,912.44, 26,865.16 and 17,023.39 is: 25,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.44 : 26,865.16 = 17,023.39 : x
  2. Step 2: Convert to fraction form
    17,912.44/26,865.16 = 17,023.39/x
  3. Step 3: Cross multiply
    17,912.44x = 26,865.16 × 17,023.39
  4. Step 4: Simplify right side
    17,912.44x = 457,335,961.77
  5. Step 5: Solve for x
    x = 457,335,961.77/17,912.44
  6. Step 6: Final answer
    x = 25,531.75

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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.