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Finding the Fourth Proportional to 22,064.92, 30,449.72 and 11,993.44

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Solution

The fourth proportional to 22,064.92, 30,449.72 and 11,993.44 is: 16,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,064.92 : 30,449.72 = 11,993.44 : x
  2. Step 2: Convert to fraction form
    22,064.92/30,449.72 = 11,993.44/x
  3. Step 3: Cross multiply
    22,064.92x = 30,449.72 × 11,993.44
  4. Step 4: Simplify right side
    22,064.92x = 365,196,889.84
  5. Step 5: Solve for x
    x = 365,196,889.84/22,064.92
  6. Step 6: Final answer
    x = 16,551.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.