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Finding the Fourth Proportional to 33,748.80, 50,623.20 and 33,230.40

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Solution

The fourth proportional to 33,748.80, 50,623.20 and 33,230.40 is: 49,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,748.80 : 50,623.20 = 33,230.40 : x
  2. Step 2: Convert to fraction form
    33,748.80/50,623.20 = 33,230.40/x
  3. Step 3: Cross multiply
    33,748.80x = 50,623.20 × 33,230.40
  4. Step 4: Simplify right side
    33,748.80x = 1,682,229,185.28
  5. Step 5: Solve for x
    x = 1,682,229,185.28/33,748.80
  6. Step 6: Final answer
    x = 49,845.60

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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.