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Finding the Fourth Proportional to 65,464.73, 90,375.85 and 44,066.97

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Solution

The fourth proportional to 65,464.73, 90,375.85 and 44,066.97 is: 60,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,464.73 : 90,375.85 = 44,066.97 : x
  2. Step 2: Convert to fraction form
    65,464.73/90,375.85 = 44,066.97/x
  3. Step 3: Cross multiply
    65,464.73x = 90,375.85 × 44,066.97
  4. Step 4: Simplify right side
    65,464.73x = 3,982,590,044.33
  5. Step 5: Solve for x
    x = 3,982,590,044.33/65,464.73
  6. Step 6: Final answer
    x = 60,835.66

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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.