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Finding the Fourth Proportional to 59,571.70, 82,163.39 and 40,466.20

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Solution

The fourth proportional to 59,571.70, 82,163.39 and 40,466.20 is: 55,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,571.70 : 82,163.39 = 40,466.20 : x
  2. Step 2: Convert to fraction form
    59,571.70/82,163.39 = 40,466.20/x
  3. Step 3: Cross multiply
    59,571.70x = 82,163.39 × 40,466.20
  4. Step 4: Simplify right side
    59,571.70x = 3,324,840,205.86
  5. Step 5: Solve for x
    x = 3,324,840,205.86/59,571.70
  6. Step 6: Final answer
    x = 55,812.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.