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Finding the Fourth Proportional to 27,696.22, 41,544.42 and 6,919.72

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Solution

The fourth proportional to 27,696.22, 41,544.42 and 6,919.72 is: 10,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,696.22 : 41,544.42 = 6,919.72 : x
  2. Step 2: Convert to fraction form
    27,696.22/41,544.42 = 6,919.72/x
  3. Step 3: Cross multiply
    27,696.22x = 41,544.42 × 6,919.72
  4. Step 4: Simplify right side
    27,696.22x = 287,475,753.96
  5. Step 5: Solve for x
    x = 287,475,753.96/27,696.22
  6. Step 6: Final answer
    x = 10,379.60

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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.