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Finding the Fourth Proportional to 65,850.73, 90,873.31 and 35,635.39

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Solution

The fourth proportional to 65,850.73, 90,873.31 and 35,635.39 is: 49,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,850.73 : 90,873.31 = 35,635.39 : x
  2. Step 2: Convert to fraction form
    65,850.73/90,873.31 = 35,635.39/x
  3. Step 3: Cross multiply
    65,850.73x = 90,873.31 × 35,635.39
  4. Step 4: Simplify right side
    65,850.73x = 3,238,305,842.44
  5. Step 5: Solve for x
    x = 3,238,305,842.44/65,850.73
  6. Step 6: Final answer
    x = 49,176.46

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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.