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Finding the Fourth Proportional to 15,993.57, 23,990.36 and 8,197.41

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Solution

The fourth proportional to 15,993.57, 23,990.36 and 8,197.41 is: 12,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.57 : 23,990.36 = 8,197.41 : x
  2. Step 2: Convert to fraction form
    15,993.57/23,990.36 = 8,197.41/x
  3. Step 3: Cross multiply
    15,993.57x = 23,990.36 × 8,197.41
  4. Step 4: Simplify right side
    15,993.57x = 196,658,775.98
  5. Step 5: Solve for x
    x = 196,658,775.98/15,993.57
  6. Step 6: Final answer
    x = 12,296.12

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Double scale
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Similar ratio
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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.