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Finding the Fourth Proportional to 40,571.86, 60,768.78 and 33,472

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Solution

The fourth proportional to 40,571.86, 60,768.78 and 33,472 is: 50,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,571.86 : 60,768.78 = 33,472 : x
  2. Step 2: Convert to fraction form
    40,571.86/60,768.78 = 33,472/x
  3. Step 3: Cross multiply
    40,571.86x = 60,768.78 × 33,472
  4. Step 4: Simplify right side
    40,571.86x = 2,034,052,604.16
  5. Step 5: Solve for x
    x = 2,034,052,604.16/40,571.86
  6. Step 6: Final answer
    x = 50,134.57

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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.