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Finding the Fourth Proportional to 17,794.81, 26,695.32 and 7,933.87

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Solution

The fourth proportional to 17,794.81, 26,695.32 and 7,933.87 is: 11,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,794.81 : 26,695.32 = 7,933.87 : x
  2. Step 2: Convert to fraction form
    17,794.81/26,695.32 = 7,933.87/x
  3. Step 3: Cross multiply
    17,794.81x = 26,695.32 × 7,933.87
  4. Step 4: Simplify right side
    17,794.81x = 211,797,198.49
  5. Step 5: Solve for x
    x = 211,797,198.49/17,794.81
  6. Step 6: Final answer
    x = 11,902.19

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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.