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Finding the Fourth Proportional to 35,776.97, 49,372.43 and 19,644.97

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Solution

The fourth proportional to 35,776.97, 49,372.43 and 19,644.97 is: 27,110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,776.97 : 49,372.43 = 19,644.97 : x
  2. Step 2: Convert to fraction form
    35,776.97/49,372.43 = 19,644.97/x
  3. Step 3: Cross multiply
    35,776.97x = 49,372.43 × 19,644.97
  4. Step 4: Simplify right side
    35,776.97x = 969,919,906.18
  5. Step 5: Solve for x
    x = 969,919,906.18/35,776.97
  6. Step 6: Final answer
    x = 27,110.18

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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.