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Finding the Fourth Proportional to 8,786.76, 13,179.84 and 2,546.94

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Solution

The fourth proportional to 8,786.76, 13,179.84 and 2,546.94 is: 3,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.76 : 13,179.84 = 2,546.94 : x
  2. Step 2: Convert to fraction form
    8,786.76/13,179.84 = 2,546.94/x
  3. Step 3: Cross multiply
    8,786.76x = 13,179.84 × 2,546.94
  4. Step 4: Simplify right side
    8,786.76x = 33,568,261.69
  5. Step 5: Solve for x
    x = 33,568,261.69/8,786.76
  6. Step 6: Final answer
    x = 3,820.32

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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.