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Finding the Fourth Proportional to 3,630.82, 5,005.82 and 2,352.42

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Solution

The fourth proportional to 3,630.82, 5,005.82 and 2,352.42 is: 3,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.82 : 5,005.82 = 2,352.42 : x
  2. Step 2: Convert to fraction form
    3,630.82/5,005.82 = 2,352.42/x
  3. Step 3: Cross multiply
    3,630.82x = 5,005.82 × 2,352.42
  4. Step 4: Simplify right side
    3,630.82x = 11,775,791.08
  5. Step 5: Solve for x
    x = 11,775,791.08/3,630.82
  6. Step 6: Final answer
    x = 3,243.29

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1.5x scale

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.