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Finding the Fourth Proportional to 18,095.92, 27,144.24 and 11,895.48

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Solution

The fourth proportional to 18,095.92, 27,144.24 and 11,895.48 is: 17,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.92 : 27,144.24 = 11,895.48 : x
  2. Step 2: Convert to fraction form
    18,095.92/27,144.24 = 11,895.48/x
  3. Step 3: Cross multiply
    18,095.92x = 27,144.24 × 11,895.48
  4. Step 4: Simplify right side
    18,095.92x = 322,893,764.04
  5. Step 5: Solve for x
    x = 322,893,764.04/18,095.92
  6. Step 6: Final answer
    x = 17,843.46

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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.