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Finding the Fourth Proportional to 29,351.88, 43,918.56 and 17,511.98

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Solution

The fourth proportional to 29,351.88, 43,918.56 and 17,511.98 is: 26,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,351.88 : 43,918.56 = 17,511.98 : x
  2. Step 2: Convert to fraction form
    29,351.88/43,918.56 = 17,511.98/x
  3. Step 3: Cross multiply
    29,351.88x = 43,918.56 × 17,511.98
  4. Step 4: Simplify right side
    29,351.88x = 769,100,724.76
  5. Step 5: Solve for x
    x = 769,100,724.76/29,351.88
  6. Step 6: Final answer
    x = 26,202.78

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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.