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Finding the Fourth Proportional to 22,224.44, 33,311.28 and 7,429.88

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Solution

The fourth proportional to 22,224.44, 33,311.28 and 7,429.88 is: 11,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224.44 : 33,311.28 = 7,429.88 : x
  2. Step 2: Convert to fraction form
    22,224.44/33,311.28 = 7,429.88/x
  3. Step 3: Cross multiply
    22,224.44x = 33,311.28 × 7,429.88
  4. Step 4: Simplify right side
    22,224.44x = 247,498,813.05
  5. Step 5: Solve for x
    x = 247,498,813.05/22,224.44
  6. Step 6: Final answer
    x = 11,136.34

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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.