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Finding the Fourth Proportional to 17,866.73, 26,806.60 and 6,181.13

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Solution

The fourth proportional to 17,866.73, 26,806.60 and 6,181.13 is: 9,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,866.73 : 26,806.60 = 6,181.13 : x
  2. Step 2: Convert to fraction form
    17,866.73/26,806.60 = 6,181.13/x
  3. Step 3: Cross multiply
    17,866.73x = 26,806.60 × 6,181.13
  4. Step 4: Simplify right side
    17,866.73x = 165,695,079.46
  5. Step 5: Solve for x
    x = 165,695,079.46/17,866.73
  6. Step 6: Final answer
    x = 9,273.95

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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.