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Finding the Fourth Proportional to 72,294.41, 108,452.21 and 22,378.97

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Solution

The fourth proportional to 72,294.41, 108,452.21 and 22,378.97 is: 33,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,294.41 : 108,452.21 = 22,378.97 : x
  2. Step 2: Convert to fraction form
    72,294.41/108,452.21 = 22,378.97/x
  3. Step 3: Cross multiply
    72,294.41x = 108,452.21 × 22,378.97
  4. Step 4: Simplify right side
    72,294.41x = 2,427,048,099.87
  5. Step 5: Solve for x
    x = 2,427,048,099.87/72,294.41
  6. Step 6: Final answer
    x = 33,571.73

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1.5x scale

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.