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Finding the Fourth Proportional to 8,054.76, 12,081 and 2,506.80

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Solution

The fourth proportional to 8,054.76, 12,081 and 2,506.80 is: 3,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.76 : 12,081 = 2,506.80 : x
  2. Step 2: Convert to fraction form
    8,054.76/12,081 = 2,506.80/x
  3. Step 3: Cross multiply
    8,054.76x = 12,081 × 2,506.80
  4. Step 4: Simplify right side
    8,054.76x = 30,284,650.80
  5. Step 5: Solve for x
    x = 30,284,650.80/8,054.76
  6. Step 6: Final answer
    x = 3,759.85

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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.