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Finding the Fourth Proportional to 17,843.73, 26,765.64 and 5,365.05

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Solution

The fourth proportional to 17,843.73, 26,765.64 and 5,365.05 is: 8,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,843.73 : 26,765.64 = 5,365.05 : x
  2. Step 2: Convert to fraction form
    17,843.73/26,765.64 = 5,365.05/x
  3. Step 3: Cross multiply
    17,843.73x = 26,765.64 × 5,365.05
  4. Step 4: Simplify right side
    17,843.73x = 143,598,996.88
  5. Step 5: Solve for x
    x = 143,598,996.88/17,843.73
  6. Step 6: Final answer
    x = 8,047.59

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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.