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Finding the Fourth Proportional to 15,993.44, 23,990.16 and 5,605.19

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Solution

The fourth proportional to 15,993.44, 23,990.16 and 5,605.19 is: 8,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.44 : 23,990.16 = 5,605.19 : x
  2. Step 2: Convert to fraction form
    15,993.44/23,990.16 = 5,605.19/x
  3. Step 3: Cross multiply
    15,993.44x = 23,990.16 × 5,605.19
  4. Step 4: Simplify right side
    15,993.44x = 134,469,404.93
  5. Step 5: Solve for x
    x = 134,469,404.93/15,993.44
  6. Step 6: Final answer
    x = 8,407.79

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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.