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Finding the Fourth Proportional to 22,246.60, 33,361.80 and 11,149.60

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Solution

The fourth proportional to 22,246.60, 33,361.80 and 11,149.60 is: 16,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.60 : 33,361.80 = 11,149.60 : x
  2. Step 2: Convert to fraction form
    22,246.60/33,361.80 = 11,149.60/x
  3. Step 3: Cross multiply
    22,246.60x = 33,361.80 × 11,149.60
  4. Step 4: Simplify right side
    22,246.60x = 371,970,725.28
  5. Step 5: Solve for x
    x = 371,970,725.28/22,246.60
  6. Step 6: Final answer
    x = 16,720.34

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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.