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Finding the Fourth Proportional to 3,661.62, 5,055.39 and 3,267.96

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Solution

The fourth proportional to 3,661.62, 5,055.39 and 3,267.96 is: 4,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.62 : 5,055.39 = 3,267.96 : x
  2. Step 2: Convert to fraction form
    3,661.62/5,055.39 = 3,267.96/x
  3. Step 3: Cross multiply
    3,661.62x = 5,055.39 × 3,267.96
  4. Step 4: Simplify right side
    3,661.62x = 16,520,812.30
  5. Step 5: Solve for x
    x = 16,520,812.30/3,661.62
  6. Step 6: Final answer
    x = 4,511.89

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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.