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Finding the Fourth Proportional to 8,744.62, 12,067.14 and 4,765.50

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Solution

The fourth proportional to 8,744.62, 12,067.14 and 4,765.50 is: 6,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.62 : 12,067.14 = 4,765.50 : x
  2. Step 2: Convert to fraction form
    8,744.62/12,067.14 = 4,765.50/x
  3. Step 3: Cross multiply
    8,744.62x = 12,067.14 × 4,765.50
  4. Step 4: Simplify right side
    8,744.62x = 57,505,955.67
  5. Step 5: Solve for x
    x = 57,505,955.67/8,744.62
  6. Step 6: Final answer
    x = 6,576.15

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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.