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Finding the Fourth Proportional to 33,853.75, 46,718.22 and 18,949.75

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Solution

The fourth proportional to 33,853.75, 46,718.22 and 18,949.75 is: 26,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,853.75 : 46,718.22 = 18,949.75 : x
  2. Step 2: Convert to fraction form
    33,853.75/46,718.22 = 18,949.75/x
  3. Step 3: Cross multiply
    33,853.75x = 46,718.22 × 18,949.75
  4. Step 4: Simplify right side
    33,853.75x = 885,298,589.45
  5. Step 5: Solve for x
    x = 885,298,589.45/33,853.75
  6. Step 6: Final answer
    x = 26,150.68

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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.