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Finding the Fourth Proportional to 27,863.15, 41,796.14 and 8,143.29

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Solution

The fourth proportional to 27,863.15, 41,796.14 and 8,143.29 is: 12,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.15 : 41,796.14 = 8,143.29 : x
  2. Step 2: Convert to fraction form
    27,863.15/41,796.14 = 8,143.29/x
  3. Step 3: Cross multiply
    27,863.15x = 41,796.14 × 8,143.29
  4. Step 4: Simplify right side
    27,863.15x = 340,358,048.18
  5. Step 5: Solve for x
    x = 340,358,048.18/27,863.15
  6. Step 6: Final answer
    x = 12,215.35

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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.