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Finding the Fourth Proportional to 83,792.40, 125,591.40 and 33,847.80

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Solution

The fourth proportional to 83,792.40, 125,591.40 and 33,847.80 is: 50,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,792.40 : 125,591.40 = 33,847.80 : x
  2. Step 2: Convert to fraction form
    83,792.40/125,591.40 = 33,847.80/x
  3. Step 3: Cross multiply
    83,792.40x = 125,591.40 × 33,847.80
  4. Step 4: Simplify right side
    83,792.40x = 4,250,992,588.92
  5. Step 5: Solve for x
    x = 4,250,992,588.92/83,792.40
  6. Step 6: Final answer
    x = 50,732.44

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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.