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Finding the Fourth Proportional to 14,553.97, 21,826.54 and 7,163.73

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Solution

The fourth proportional to 14,553.97, 21,826.54 and 7,163.73 is: 10,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.97 : 21,826.54 = 7,163.73 : x
  2. Step 2: Convert to fraction form
    14,553.97/21,826.54 = 7,163.73/x
  3. Step 3: Cross multiply
    14,553.97x = 21,826.54 × 7,163.73
  4. Step 4: Simplify right side
    14,553.97x = 156,359,439.39
  5. Step 5: Solve for x
    x = 156,359,439.39/14,553.97
  6. Step 6: Final answer
    x = 10,743.42

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1.5x scale

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.