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Finding the Fourth Proportional to 7,993.16, 11,991.56 and 2,446.94

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Solution

The fourth proportional to 7,993.16, 11,991.56 and 2,446.94 is: 3,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.16 : 11,991.56 = 2,446.94 : x
  2. Step 2: Convert to fraction form
    7,993.16/11,991.56 = 2,446.94/x
  3. Step 3: Cross multiply
    7,993.16x = 11,991.56 × 2,446.94
  4. Step 4: Simplify right side
    7,993.16x = 29,342,627.83
  5. Step 5: Solve for x
    x = 29,342,627.83/7,993.16
  6. Step 6: Final answer
    x = 3,670.97

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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.