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Finding the Fourth Proportional to 18,046.92, 27,070.38 and 8,805

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Solution

The fourth proportional to 18,046.92, 27,070.38 and 8,805 is: 13,207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046.92 : 27,070.38 = 8,805 : x
  2. Step 2: Convert to fraction form
    18,046.92/27,070.38 = 8,805/x
  3. Step 3: Cross multiply
    18,046.92x = 27,070.38 × 8,805
  4. Step 4: Simplify right side
    18,046.92x = 238,354,695.90
  5. Step 5: Solve for x
    x = 238,354,695.90/18,046.92
  6. Step 6: Final answer
    x = 13,207.50

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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.