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Finding the Fourth Proportional to 18,560.44, 27,827.43 and 8,694.33

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Solution

The fourth proportional to 18,560.44, 27,827.43 and 8,694.33 is: 13,035.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.44 : 27,827.43 = 8,694.33 : x
  2. Step 2: Convert to fraction form
    18,560.44/27,827.43 = 8,694.33/x
  3. Step 3: Cross multiply
    18,560.44x = 27,827.43 × 8,694.33
  4. Step 4: Simplify right side
    18,560.44x = 241,940,963.82
  5. Step 5: Solve for x
    x = 241,940,963.82/18,560.44
  6. Step 6: Final answer
    x = 13,035.31

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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.