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Finding the Fourth Proportional to 33,849, 46,711.62 and 18,945

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Solution

The fourth proportional to 33,849, 46,711.62 and 18,945 is: 26,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,849 : 46,711.62 = 18,945 : x
  2. Step 2: Convert to fraction form
    33,849/46,711.62 = 18,945/x
  3. Step 3: Cross multiply
    33,849x = 46,711.62 × 18,945
  4. Step 4: Simplify right side
    33,849x = 884,951,640.90
  5. Step 5: Solve for x
    x = 884,951,640.90/33,849
  6. Step 6: Final answer
    x = 26,144.10

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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.