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Finding the Fourth Proportional to 60,791.14, 83,905.78 and 35,648.74

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Solution

The fourth proportional to 60,791.14, 83,905.78 and 35,648.74 is: 49,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,791.14 : 83,905.78 = 35,648.74 : x
  2. Step 2: Convert to fraction form
    60,791.14/83,905.78 = 35,648.74/x
  3. Step 3: Cross multiply
    60,791.14x = 83,905.78 × 35,648.74
  4. Step 4: Simplify right side
    60,791.14x = 2,991,135,335.72
  5. Step 5: Solve for x
    x = 2,991,135,335.72/60,791.14
  6. Step 6: Final answer
    x = 49,203.47

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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.