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Finding the Fourth Proportional to 8,529.87, 12,793.24 and 3,602.97

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Solution

The fourth proportional to 8,529.87, 12,793.24 and 3,602.97 is: 5,403.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.87 : 12,793.24 = 3,602.97 : x
  2. Step 2: Convert to fraction form
    8,529.87/12,793.24 = 3,602.97/x
  3. Step 3: Cross multiply
    8,529.87x = 12,793.24 × 3,602.97
  4. Step 4: Simplify right side
    8,529.87x = 46,093,659.92
  5. Step 5: Solve for x
    x = 46,093,659.92/8,529.87
  6. Step 6: Final answer
    x = 5,403.79

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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.