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Finding the Fourth Proportional to 27,586.62, 41,379.21 and 8,866.62

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Solution

The fourth proportional to 27,586.62, 41,379.21 and 8,866.62 is: 13,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586.62 : 41,379.21 = 8,866.62 : x
  2. Step 2: Convert to fraction form
    27,586.62/41,379.21 = 8,866.62/x
  3. Step 3: Cross multiply
    27,586.62x = 41,379.21 × 8,866.62
  4. Step 4: Simplify right side
    27,586.62x = 366,893,730.97
  5. Step 5: Solve for x
    x = 366,893,730.97/27,586.62
  6. Step 6: Final answer
    x = 13,299.70

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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.