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Finding the Fourth Proportional to 65,465.60, 90,377.05 and 44,067.85

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Solution

The fourth proportional to 65,465.60, 90,377.05 and 44,067.85 is: 60,836.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,465.60 : 90,377.05 = 44,067.85 : x
  2. Step 2: Convert to fraction form
    65,465.60/90,377.05 = 44,067.85/x
  3. Step 3: Cross multiply
    65,465.60x = 90,377.05 × 44,067.85
  4. Step 4: Simplify right side
    65,465.60x = 3,982,722,282.84
  5. Step 5: Solve for x
    x = 3,982,722,282.84/65,465.60
  6. Step 6: Final answer
    x = 60,836.87

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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.