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Finding the Fourth Proportional to 7,994.16, 11,991.14 and 3,608.54

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Solution

The fourth proportional to 7,994.16, 11,991.14 and 3,608.54 is: 5,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.16 : 11,991.14 = 3,608.54 : x
  2. Step 2: Convert to fraction form
    7,994.16/11,991.14 = 3,608.54/x
  3. Step 3: Cross multiply
    7,994.16x = 11,991.14 × 3,608.54
  4. Step 4: Simplify right side
    7,994.16x = 43,270,508.34
  5. Step 5: Solve for x
    x = 43,270,508.34/7,994.16
  6. Step 6: Final answer
    x = 5,412.76

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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.