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Finding the Fourth Proportional to 17,362.59, 26,022.97 and 7,989.67

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Solution

The fourth proportional to 17,362.59, 26,022.97 and 7,989.67 is: 11,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,362.59 : 26,022.97 = 7,989.67 : x
  2. Step 2: Convert to fraction form
    17,362.59/26,022.97 = 7,989.67/x
  3. Step 3: Cross multiply
    17,362.59x = 26,022.97 × 7,989.67
  4. Step 4: Simplify right side
    17,362.59x = 207,914,942.72
  5. Step 5: Solve for x
    x = 207,914,942.72/17,362.59
  6. Step 6: Final answer
    x = 11,974.88

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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.