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Finding the Fourth Proportional to 35,791.58, 49,392.09 and 19,876.07

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Solution

The fourth proportional to 35,791.58, 49,392.09 and 19,876.07 is: 27,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,791.58 : 49,392.09 = 19,876.07 : x
  2. Step 2: Convert to fraction form
    35,791.58/49,392.09 = 19,876.07/x
  3. Step 3: Cross multiply
    35,791.58x = 49,392.09 × 19,876.07
  4. Step 4: Simplify right side
    35,791.58x = 981,720,391.33
  5. Step 5: Solve for x
    x = 981,720,391.33/35,791.58
  6. Step 6: Final answer
    x = 27,428.81

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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.