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Finding the Fourth Proportional to 33,793.20, 50,689.80 and 30,106.80

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Solution

The fourth proportional to 33,793.20, 50,689.80 and 30,106.80 is: 45,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,793.20 : 50,689.80 = 30,106.80 : x
  2. Step 2: Convert to fraction form
    33,793.20/50,689.80 = 30,106.80/x
  3. Step 3: Cross multiply
    33,793.20x = 50,689.80 × 30,106.80
  4. Step 4: Simplify right side
    33,793.20x = 1,526,107,670.64
  5. Step 5: Solve for x
    x = 1,526,107,670.64/33,793.20
  6. Step 6: Final answer
    x = 45,160.20

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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.