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Finding the Fourth Proportional to 40,624.44, 60,942.44 and 12,546.82

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Solution

The fourth proportional to 40,624.44, 60,942.44 and 12,546.82 is: 18,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,624.44 : 60,942.44 = 12,546.82 : x
  2. Step 2: Convert to fraction form
    40,624.44/60,942.44 = 12,546.82/x
  3. Step 3: Cross multiply
    40,624.44x = 60,942.44 × 12,546.82
  4. Step 4: Simplify right side
    40,624.44x = 764,633,825.04
  5. Step 5: Solve for x
    x = 764,633,825.04/40,624.44
  6. Step 6: Final answer
    x = 18,822.02

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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.