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Finding the Fourth Proportional to 18,042.92, 27,064.40 and 8,801

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Solution

The fourth proportional to 18,042.92, 27,064.40 and 8,801 is: 13,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.92 : 27,064.40 = 8,801 : x
  2. Step 2: Convert to fraction form
    18,042.92/27,064.40 = 8,801/x
  3. Step 3: Cross multiply
    18,042.92x = 27,064.40 × 8,801
  4. Step 4: Simplify right side
    18,042.92x = 238,193,784.40
  5. Step 5: Solve for x
    x = 238,193,784.40/18,042.92
  6. Step 6: Final answer
    x = 13,201.51

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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.