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Finding the Fourth Proportional to 33,858.38, 46,724.46 and 18,954.38

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Solution

The fourth proportional to 33,858.38, 46,724.46 and 18,954.38 is: 26,156.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,858.38 : 46,724.46 = 18,954.38 : x
  2. Step 2: Convert to fraction form
    33,858.38/46,724.46 = 18,954.38/x
  3. Step 3: Cross multiply
    33,858.38x = 46,724.46 × 18,954.38
  4. Step 4: Simplify right side
    33,858.38x = 885,633,170.13
  5. Step 5: Solve for x
    x = 885,633,170.13/33,858.38
  6. Step 6: Final answer
    x = 26,156.99

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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.