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Finding the Fourth Proportional to 4,611.03, 6,361.40 and 2,839.56

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Solution

The fourth proportional to 4,611.03, 6,361.40 and 2,839.56 is: 3,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.03 : 6,361.40 = 2,839.56 : x
  2. Step 2: Convert to fraction form
    4,611.03/6,361.40 = 2,839.56/x
  3. Step 3: Cross multiply
    4,611.03x = 6,361.40 × 2,839.56
  4. Step 4: Simplify right side
    4,611.03x = 18,063,562.79
  5. Step 5: Solve for x
    x = 18,063,562.79/4,611.03
  6. Step 6: Final answer
    x = 3,917.47

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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.