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Finding the Fourth Proportional to 33,682.80, 50,495.04 and 18,082.20

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Solution

The fourth proportional to 33,682.80, 50,495.04 and 18,082.20 is: 27,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,682.80 : 50,495.04 = 18,082.20 : x
  2. Step 2: Convert to fraction form
    33,682.80/50,495.04 = 18,082.20/x
  3. Step 3: Cross multiply
    33,682.80x = 50,495.04 × 18,082.20
  4. Step 4: Simplify right side
    33,682.80x = 913,061,412.29
  5. Step 5: Solve for x
    x = 913,061,412.29/33,682.80
  6. Step 6: Final answer
    x = 27,107.65

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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.