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Finding the Fourth Proportional to 48,311.80, 72,367.98 and 35,845.96

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Solution

The fourth proportional to 48,311.80, 72,367.98 and 35,845.96 is: 53,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,311.80 : 72,367.98 = 35,845.96 : x
  2. Step 2: Convert to fraction form
    48,311.80/72,367.98 = 35,845.96/x
  3. Step 3: Cross multiply
    48,311.80x = 72,367.98 × 35,845.96
  4. Step 4: Simplify right side
    48,311.80x = 2,594,099,716.36
  5. Step 5: Solve for x
    x = 2,594,099,716.36/48,311.80
  6. Step 6: Final answer
    x = 53,694.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.