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Finding the Fourth Proportional to 8,361.93, 12,544.83 and 2,815.14

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Solution

The fourth proportional to 8,361.93, 12,544.83 and 2,815.14 is: 4,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.93 : 12,544.83 = 2,815.14 : x
  2. Step 2: Convert to fraction form
    8,361.93/12,544.83 = 2,815.14/x
  3. Step 3: Cross multiply
    8,361.93x = 12,544.83 × 2,815.14
  4. Step 4: Simplify right side
    8,361.93x = 35,315,452.73
  5. Step 5: Solve for x
    x = 35,315,452.73/8,361.93
  6. Step 6: Final answer
    x = 4,223.36

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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.