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Finding the Fourth Proportional to 17,701.92, 26,552.63 and 7,171.85

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Solution

The fourth proportional to 17,701.92, 26,552.63 and 7,171.85 is: 10,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,701.92 : 26,552.63 = 7,171.85 : x
  2. Step 2: Convert to fraction form
    17,701.92/26,552.63 = 7,171.85/x
  3. Step 3: Cross multiply
    17,701.92x = 26,552.63 × 7,171.85
  4. Step 4: Simplify right side
    17,701.92x = 190,431,310.84
  5. Step 5: Solve for x
    x = 190,431,310.84/17,701.92
  6. Step 6: Final answer
    x = 10,757.67

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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.