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Finding the Fourth Proportional to 6,648.14, 9,972.29 and 3,361.37

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Solution

The fourth proportional to 6,648.14, 9,972.29 and 3,361.37 is: 5,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.14 : 9,972.29 = 3,361.37 : x
  2. Step 2: Convert to fraction form
    6,648.14/9,972.29 = 3,361.37/x
  3. Step 3: Cross multiply
    6,648.14x = 9,972.29 × 3,361.37
  4. Step 4: Simplify right side
    6,648.14x = 33,520,514.98
  5. Step 5: Solve for x
    x = 33,520,514.98/6,648.14
  6. Step 6: Final answer
    x = 5,042.09

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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.