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Finding the Fourth Proportional to 3,712.72, 5,536.64 and 3,252.64

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Solution

The fourth proportional to 3,712.72, 5,536.64 and 3,252.64 is: 4,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.72 : 5,536.64 = 3,252.64 : x
  2. Step 2: Convert to fraction form
    3,712.72/5,536.64 = 3,252.64/x
  3. Step 3: Cross multiply
    3,712.72x = 5,536.64 × 3,252.64
  4. Step 4: Simplify right side
    3,712.72x = 18,008,696.73
  5. Step 5: Solve for x
    x = 18,008,696.73/3,712.72
  6. Step 6: Final answer
    x = 4,850.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.