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Finding the Fourth Proportional to 17,164.46, 25,750.79 and 7,163.64

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Solution

The fourth proportional to 17,164.46, 25,750.79 and 7,163.64 is: 10,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,164.46 : 25,750.79 = 7,163.64 : x
  2. Step 2: Convert to fraction form
    17,164.46/25,750.79 = 7,163.64/x
  3. Step 3: Cross multiply
    17,164.46x = 25,750.79 × 7,163.64
  4. Step 4: Simplify right side
    17,164.46x = 184,469,407.18
  5. Step 5: Solve for x
    x = 184,469,407.18/17,164.46
  6. Step 6: Final answer
    x = 10,747.18

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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.