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Finding the Fourth Proportional to 8,241.33, 12,361.79 and 2,397.99

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Solution

The fourth proportional to 8,241.33, 12,361.79 and 2,397.99 is: 3,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.33 : 12,361.79 = 2,397.99 : x
  2. Step 2: Convert to fraction form
    8,241.33/12,361.79 = 2,397.99/x
  3. Step 3: Cross multiply
    8,241.33x = 12,361.79 × 2,397.99
  4. Step 4: Simplify right side
    8,241.33x = 29,643,448.80
  5. Step 5: Solve for x
    x = 29,643,448.80/8,241.33
  6. Step 6: Final answer
    x = 3,596.93

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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.