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Finding the Fourth Proportional to 22,241.25, 33,361.88 and 6,658.88

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Solution

The fourth proportional to 22,241.25, 33,361.88 and 6,658.88 is: 9,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241.25 : 33,361.88 = 6,658.88 : x
  2. Step 2: Convert to fraction form
    22,241.25/33,361.88 = 6,658.88/x
  3. Step 3: Cross multiply
    22,241.25x = 33,361.88 × 6,658.88
  4. Step 4: Simplify right side
    22,241.25x = 222,152,555.39
  5. Step 5: Solve for x
    x = 222,152,555.39/22,241.25
  6. Step 6: Final answer
    x = 9,988.31

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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.