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Finding the Fourth Proportional to 67,297.92, 100,947.66 and 28,824.22

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Solution

The fourth proportional to 67,297.92, 100,947.66 and 28,824.22 is: 43,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,297.92 : 100,947.66 = 28,824.22 : x
  2. Step 2: Convert to fraction form
    67,297.92/100,947.66 = 28,824.22/x
  3. Step 3: Cross multiply
    67,297.92x = 100,947.66 × 28,824.22
  4. Step 4: Simplify right side
    67,297.92x = 2,909,737,560.33
  5. Step 5: Solve for x
    x = 2,909,737,560.33/67,297.92
  6. Step 6: Final answer
    x = 43,236.66

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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.