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Finding the Fourth Proportional to 17,993.81, 26,984.22 and 7,606.37

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Solution

The fourth proportional to 17,993.81, 26,984.22 and 7,606.37 is: 11,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.81 : 26,984.22 = 7,606.37 : x
  2. Step 2: Convert to fraction form
    17,993.81/26,984.22 = 7,606.37/x
  3. Step 3: Cross multiply
    17,993.81x = 26,984.22 × 7,606.37
  4. Step 4: Simplify right side
    17,993.81x = 205,251,826.56
  5. Step 5: Solve for x
    x = 205,251,826.56/17,993.81
  6. Step 6: Final answer
    x = 11,406.81

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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.