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Finding the Fourth Proportional to 17,163.70, 25,755.28 and 9,266.11

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Solution

The fourth proportional to 17,163.70, 25,755.28 and 9,266.11 is: 13,904.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,163.70 : 25,755.28 = 9,266.11 : x
  2. Step 2: Convert to fraction form
    17,163.70/25,755.28 = 9,266.11/x
  3. Step 3: Cross multiply
    17,163.70x = 25,755.28 × 9,266.11
  4. Step 4: Simplify right side
    17,163.70x = 238,651,170.01
  5. Step 5: Solve for x
    x = 238,651,170.01/17,163.70
  6. Step 6: Final answer
    x = 13,904.41

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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.