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Finding the Fourth Proportional to 27,391.65, 41,087.24 and 8,671.71

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Solution

The fourth proportional to 27,391.65, 41,087.24 and 8,671.71 is: 13,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,391.65 : 41,087.24 = 8,671.71 : x
  2. Step 2: Convert to fraction form
    27,391.65/41,087.24 = 8,671.71/x
  3. Step 3: Cross multiply
    27,391.65x = 41,087.24 × 8,671.71
  4. Step 4: Simplify right side
    27,391.65x = 356,296,586.62
  5. Step 5: Solve for x
    x = 356,296,586.62/27,391.65
  6. Step 6: Final answer
    x = 13,007.49

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1.5x scale

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.