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Finding the Fourth Proportional to 33,813.20, 50,719.80 and 16,278.80

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Solution

The fourth proportional to 33,813.20, 50,719.80 and 16,278.80 is: 24,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,813.20 : 50,719.80 = 16,278.80 : x
  2. Step 2: Convert to fraction form
    33,813.20/50,719.80 = 16,278.80/x
  3. Step 3: Cross multiply
    33,813.20x = 50,719.80 × 16,278.80
  4. Step 4: Simplify right side
    33,813.20x = 825,657,480.24
  5. Step 5: Solve for x
    x = 825,657,480.24/33,813.20
  6. Step 6: Final answer
    x = 24,418.20

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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.