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Finding the Fourth Proportional to 8,568.62, 11,824.44 and 4,791.80

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Solution

The fourth proportional to 8,568.62, 11,824.44 and 4,791.80 is: 6,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.62 : 11,824.44 = 4,791.80 : x
  2. Step 2: Convert to fraction form
    8,568.62/11,824.44 = 4,791.80/x
  3. Step 3: Cross multiply
    8,568.62x = 11,824.44 × 4,791.80
  4. Step 4: Simplify right side
    8,568.62x = 56,660,351.59
  5. Step 5: Solve for x
    x = 56,660,351.59/8,568.62
  6. Step 6: Final answer
    x = 6,612.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.