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Finding the Fourth Proportional to 3,236.74, 4,467.11 and 1,839.22

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Solution

The fourth proportional to 3,236.74, 4,467.11 and 1,839.22 is: 2,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.74 : 4,467.11 = 1,839.22 : x
  2. Step 2: Convert to fraction form
    3,236.74/4,467.11 = 1,839.22/x
  3. Step 3: Cross multiply
    3,236.74x = 4,467.11 × 1,839.22
  4. Step 4: Simplify right side
    3,236.74x = 8,215,998.05
  5. Step 5: Solve for x
    x = 8,215,998.05/3,236.74
  6. Step 6: Final answer
    x = 2,538.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.