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Finding the Fourth Proportional to 33,809.80, 50,811.90 and 33,226.60

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Solution

The fourth proportional to 33,809.80, 50,811.90 and 33,226.60 is: 49,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,809.80 : 50,811.90 = 33,226.60 : x
  2. Step 2: Convert to fraction form
    33,809.80/50,811.90 = 33,226.60/x
  3. Step 3: Cross multiply
    33,809.80x = 50,811.90 × 33,226.60
  4. Step 4: Simplify right side
    33,809.80x = 1,688,306,676.54
  5. Step 5: Solve for x
    x = 1,688,306,676.54/33,809.80
  6. Step 6: Final answer
    x = 49,935.42

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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.