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Finding the Fourth Proportional to 27,377.87, 41,071.87 and 8,662.62

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Solution

The fourth proportional to 27,377.87, 41,071.87 and 8,662.62 is: 12,995.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,377.87 : 41,071.87 = 8,662.62 : x
  2. Step 2: Convert to fraction form
    27,377.87/41,071.87 = 8,662.62/x
  3. Step 3: Cross multiply
    27,377.87x = 41,071.87 × 8,662.62
  4. Step 4: Simplify right side
    27,377.87x = 355,789,936.32
  5. Step 5: Solve for x
    x = 355,789,936.32/27,377.87
  6. Step 6: Final answer
    x = 12,995.53

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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.