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Finding the Fourth Proportional to 26,651.25, 39,976.88 and 8,183.25

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Solution

The fourth proportional to 26,651.25, 39,976.88 and 8,183.25 is: 12,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.25 : 39,976.88 = 8,183.25 : x
  2. Step 2: Convert to fraction form
    26,651.25/39,976.88 = 8,183.25/x
  3. Step 3: Cross multiply
    26,651.25x = 39,976.88 × 8,183.25
  4. Step 4: Simplify right side
    26,651.25x = 327,140,762.34
  5. Step 5: Solve for x
    x = 327,140,762.34/26,651.25
  6. Step 6: Final answer
    x = 12,274.88

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Similar ratio
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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.