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Finding the Fourth Proportional to 13,883.00, 20,836.14 and 7,223.58

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Solution

The fourth proportional to 13,883.00, 20,836.14 and 7,223.58 is: 10,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.00 : 20,836.14 = 7,223.58 : x
  2. Step 2: Convert to fraction form
    13,883.00/20,836.14 = 7,223.58/x
  3. Step 3: Cross multiply
    13,883.00x = 20,836.14 × 7,223.58
  4. Step 4: Simplify right side
    13,883.00x = 150,511,497.09
  5. Step 5: Solve for x
    x = 150,511,497.09/13,883.00
  6. Step 6: Final answer
    x = 10,841.43

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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.