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Finding the Fourth Proportional to 7,992.36, 11,994.78 and 5,544.42

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Solution

The fourth proportional to 7,992.36, 11,994.78 and 5,544.42 is: 8,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.36 : 11,994.78 = 5,544.42 : x
  2. Step 2: Convert to fraction form
    7,992.36/11,994.78 = 5,544.42/x
  3. Step 3: Cross multiply
    7,992.36x = 11,994.78 × 5,544.42
  4. Step 4: Simplify right side
    7,992.36x = 66,504,098.13
  5. Step 5: Solve for x
    x = 66,504,098.13/7,992.36
  6. Step 6: Final answer
    x = 8,320.96

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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.