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Finding the Fourth Proportional to 3,306.60, 4,962.60 and 3,198.60

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Solution

The fourth proportional to 3,306.60, 4,962.60 and 3,198.60 is: 4,800.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.60 : 4,962.60 = 3,198.60 : x
  2. Step 2: Convert to fraction form
    3,306.60/4,962.60 = 3,198.60/x
  3. Step 3: Cross multiply
    3,306.60x = 4,962.60 × 3,198.60
  4. Step 4: Simplify right side
    3,306.60x = 15,873,372.36
  5. Step 5: Solve for x
    x = 15,873,372.36/3,306.60
  6. Step 6: Final answer
    x = 4,800.51

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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.