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Finding the Fourth Proportional to 40,163.46, 60,245.80 and 10,584.30

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Solution

The fourth proportional to 40,163.46, 60,245.80 and 10,584.30 is: 15,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.46 : 60,245.80 = 10,584.30 : x
  2. Step 2: Convert to fraction form
    40,163.46/60,245.80 = 10,584.30/x
  3. Step 3: Cross multiply
    40,163.46x = 60,245.80 × 10,584.30
  4. Step 4: Simplify right side
    40,163.46x = 637,659,620.94
  5. Step 5: Solve for x
    x = 637,659,620.94/40,163.46
  6. Step 6: Final answer
    x = 15,876.61

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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.