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Finding the Fourth Proportional to 33,555.56, 50,372.22 and 18,003.56

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Solution

The fourth proportional to 33,555.56, 50,372.22 and 18,003.56 is: 27,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,555.56 : 50,372.22 = 18,003.56 : x
  2. Step 2: Convert to fraction form
    33,555.56/50,372.22 = 18,003.56/x
  3. Step 3: Cross multiply
    33,555.56x = 50,372.22 × 18,003.56
  4. Step 4: Simplify right side
    33,555.56x = 906,879,285.10
  5. Step 5: Solve for x
    x = 906,879,285.10/33,555.56
  6. Step 6: Final answer
    x = 27,026.20

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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.