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Finding the Fourth Proportional to 6,648.22, 9,976.14 and 3,361.58

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Solution

The fourth proportional to 6,648.22, 9,976.14 and 3,361.58 is: 5,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.22 : 9,976.14 = 3,361.58 : x
  2. Step 2: Convert to fraction form
    6,648.22/9,976.14 = 3,361.58/x
  3. Step 3: Cross multiply
    6,648.22x = 9,976.14 × 3,361.58
  4. Step 4: Simplify right side
    6,648.22x = 33,535,592.70
  5. Step 5: Solve for x
    x = 33,535,592.70/6,648.22
  6. Step 6: Final answer
    x = 5,044.30

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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.