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Finding the Fourth Proportional to 33,318.44, 45,976.74 and 18,414.44

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Solution

The fourth proportional to 33,318.44, 45,976.74 and 18,414.44 is: 25,410.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,318.44 : 45,976.74 = 18,414.44 : x
  2. Step 2: Convert to fraction form
    33,318.44/45,976.74 = 18,414.44/x
  3. Step 3: Cross multiply
    33,318.44x = 45,976.74 × 18,414.44
  4. Step 4: Simplify right side
    33,318.44x = 846,635,920.13
  5. Step 5: Solve for x
    x = 846,635,920.13/33,318.44
  6. Step 6: Final answer
    x = 25,410.43

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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.