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Finding the Fourth Proportional to 33,443.80, 50,165.70 and 18,410.20

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Solution

The fourth proportional to 33,443.80, 50,165.70 and 18,410.20 is: 27,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,443.80 : 50,165.70 = 18,410.20 : x
  2. Step 2: Convert to fraction form
    33,443.80/50,165.70 = 18,410.20/x
  3. Step 3: Cross multiply
    33,443.80x = 50,165.70 × 18,410.20
  4. Step 4: Simplify right side
    33,443.80x = 923,560,570.14
  5. Step 5: Solve for x
    x = 923,560,570.14/33,443.80
  6. Step 6: Final answer
    x = 27,615.30

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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.