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Finding the Fourth Proportional to 27,979.30, 41,959.17 and 8,252.62

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Solution

The fourth proportional to 27,979.30, 41,959.17 and 8,252.62 is: 12,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979.30 : 41,959.17 = 8,252.62 : x
  2. Step 2: Convert to fraction form
    27,979.30/41,959.17 = 8,252.62/x
  3. Step 3: Cross multiply
    27,979.30x = 41,959.17 × 8,252.62
  4. Step 4: Simplify right side
    27,979.30x = 346,273,085.53
  5. Step 5: Solve for x
    x = 346,273,085.53/27,979.30
  6. Step 6: Final answer
    x = 12,376.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.