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Finding the Fourth Proportional to 22,241.77, 33,361.21 and 8,390.41

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Solution

The fourth proportional to 22,241.77, 33,361.21 and 8,390.41 is: 12,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241.77 : 33,361.21 = 8,390.41 : x
  2. Step 2: Convert to fraction form
    22,241.77/33,361.21 = 8,390.41/x
  3. Step 3: Cross multiply
    22,241.77x = 33,361.21 × 8,390.41
  4. Step 4: Simplify right side
    22,241.77x = 279,914,157.08
  5. Step 5: Solve for x
    x = 279,914,157.08/22,241.77
  6. Step 6: Final answer
    x = 12,585.07

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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.