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Finding the Fourth Proportional to 22,789.44, 34,183.98 and 7,994.94

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Solution

The fourth proportional to 22,789.44, 34,183.98 and 7,994.94 is: 11,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,789.44 : 34,183.98 = 7,994.94 : x
  2. Step 2: Convert to fraction form
    22,789.44/34,183.98 = 7,994.94/x
  3. Step 3: Cross multiply
    22,789.44x = 34,183.98 × 7,994.94
  4. Step 4: Simplify right side
    22,789.44x = 273,298,869.06
  5. Step 5: Solve for x
    x = 273,298,869.06/22,789.44
  6. Step 6: Final answer
    x = 11,992.35

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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.