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Finding the Fourth Proportional to 57,793.42, 86,690.15 and 37,819.75

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Solution

The fourth proportional to 57,793.42, 86,690.15 and 37,819.75 is: 56,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,793.42 : 86,690.15 = 37,819.75 : x
  2. Step 2: Convert to fraction form
    57,793.42/86,690.15 = 37,819.75/x
  3. Step 3: Cross multiply
    57,793.42x = 86,690.15 × 37,819.75
  4. Step 4: Simplify right side
    57,793.42x = 3,278,599,800.46
  5. Step 5: Solve for x
    x = 3,278,599,800.46/57,793.42
  6. Step 6: Final answer
    x = 56,729.64

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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.