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Finding the Fourth Proportional to 40,380.40, 60,497.70 and 32,944.60

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Solution

The fourth proportional to 40,380.40, 60,497.70 and 32,944.60 is: 49,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.40 : 60,497.70 = 32,944.60 : x
  2. Step 2: Convert to fraction form
    40,380.40/60,497.70 = 32,944.60/x
  3. Step 3: Cross multiply
    40,380.40x = 60,497.70 × 32,944.60
  4. Step 4: Simplify right side
    40,380.40x = 1,993,072,527.42
  5. Step 5: Solve for x
    x = 1,993,072,527.42/40,380.40
  6. Step 6: Final answer
    x = 49,357.42

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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.