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Finding the Fourth Proportional to 18,095.77, 27,149.14 and 8,734.04

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Solution

The fourth proportional to 18,095.77, 27,149.14 and 8,734.04 is: 13,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.77 : 27,149.14 = 8,734.04 : x
  2. Step 2: Convert to fraction form
    18,095.77/27,149.14 = 8,734.04/x
  3. Step 3: Cross multiply
    18,095.77x = 27,149.14 × 8,734.04
  4. Step 4: Simplify right side
    18,095.77x = 237,121,674.73
  5. Step 5: Solve for x
    x = 237,121,674.73/18,095.77
  6. Step 6: Final answer
    x = 13,103.71

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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.