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Finding the Fourth Proportional to 11,894.73, 17,836.02 and 3,994.53

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Solution

The fourth proportional to 11,894.73, 17,836.02 and 3,994.53 is: 5,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.73 : 17,836.02 = 3,994.53 : x
  2. Step 2: Convert to fraction form
    11,894.73/17,836.02 = 3,994.53/x
  3. Step 3: Cross multiply
    11,894.73x = 17,836.02 × 3,994.53
  4. Step 4: Simplify right side
    11,894.73x = 71,246,516.97
  5. Step 5: Solve for x
    x = 71,246,516.97/11,894.73
  6. Step 6: Final answer
    x = 5,989.75

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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.