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Finding the Fourth Proportional to 71,594.20, 107,391.30 and 36,529.30

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Solution

The fourth proportional to 71,594.20, 107,391.30 and 36,529.30 is: 54,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,594.20 : 107,391.30 = 36,529.30 : x
  2. Step 2: Convert to fraction form
    71,594.20/107,391.30 = 36,529.30/x
  3. Step 3: Cross multiply
    71,594.20x = 107,391.30 × 36,529.30
  4. Step 4: Simplify right side
    71,594.20x = 3,922,929,015.09
  5. Step 5: Solve for x
    x = 3,922,929,015.09/71,594.20
  6. Step 6: Final answer
    x = 54,793.95

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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.