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Finding the Fourth Proportional to 16,894.39, 25,324.73 and 7,993.87

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Solution

The fourth proportional to 16,894.39, 25,324.73 and 7,993.87 is: 11,982.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,894.39 : 25,324.73 = 7,993.87 : x
  2. Step 2: Convert to fraction form
    16,894.39/25,324.73 = 7,993.87/x
  3. Step 3: Cross multiply
    16,894.39x = 25,324.73 × 7,993.87
  4. Step 4: Simplify right side
    16,894.39x = 202,442,599.41
  5. Step 5: Solve for x
    x = 202,442,599.41/16,894.39
  6. Step 6: Final answer
    x = 11,982.83

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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.