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Finding the Fourth Proportional to 65,850.96, 90,874.44 and 36,042.96

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Solution

The fourth proportional to 65,850.96, 90,874.44 and 36,042.96 is: 49,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,850.96 : 90,874.44 = 36,042.96 : x
  2. Step 2: Convert to fraction form
    65,850.96/90,874.44 = 36,042.96/x
  3. Step 3: Cross multiply
    65,850.96x = 90,874.44 × 36,042.96
  4. Step 4: Simplify right side
    65,850.96x = 3,275,383,805.94
  5. Step 5: Solve for x
    x = 3,275,383,805.94/65,850.96
  6. Step 6: Final answer
    x = 49,739.35

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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.