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Finding the Fourth Proportional to 17,170.07, 25,749.05 and 8,163.06

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Solution

The fourth proportional to 17,170.07, 25,749.05 and 8,163.06 is: 12,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170.07 : 25,749.05 = 8,163.06 : x
  2. Step 2: Convert to fraction form
    17,170.07/25,749.05 = 8,163.06/x
  3. Step 3: Cross multiply
    17,170.07x = 25,749.05 × 8,163.06
  4. Step 4: Simplify right side
    17,170.07x = 210,190,999.28
  5. Step 5: Solve for x
    x = 210,190,999.28/17,170.07
  6. Step 6: Final answer
    x = 12,241.71

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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.