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Finding the Fourth Proportional to 33,757.80, 50,569.41 and 20,423.70

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Solution

The fourth proportional to 33,757.80, 50,569.41 and 20,423.70 is: 30,594.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,757.80 : 50,569.41 = 20,423.70 : x
  2. Step 2: Convert to fraction form
    33,757.80/50,569.41 = 20,423.70/x
  3. Step 3: Cross multiply
    33,757.80x = 50,569.41 × 20,423.70
  4. Step 4: Simplify right side
    33,757.80x = 1,032,814,459.02
  5. Step 5: Solve for x
    x = 1,032,814,459.02/33,757.80
  6. Step 6: Final answer
    x = 30,594.84

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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.