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Finding the Fourth Proportional to 33,640.88, 46,424.41 and 18,736.88

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Solution

The fourth proportional to 33,640.88, 46,424.41 and 18,736.88 is: 25,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,640.88 : 46,424.41 = 18,736.88 : x
  2. Step 2: Convert to fraction form
    33,640.88/46,424.41 = 18,736.88/x
  3. Step 3: Cross multiply
    33,640.88x = 46,424.41 × 18,736.88
  4. Step 4: Simplify right side
    33,640.88x = 869,848,320.28
  5. Step 5: Solve for x
    x = 869,848,320.28/33,640.88
  6. Step 6: Final answer
    x = 25,856.89

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