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Finding the Fourth Proportional to 22,404.70, 33,611.88 and 6,821.92

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Solution

The fourth proportional to 22,404.70, 33,611.88 and 6,821.92 is: 10,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,404.70 : 33,611.88 = 6,821.92 : x
  2. Step 2: Convert to fraction form
    22,404.70/33,611.88 = 6,821.92/x
  3. Step 3: Cross multiply
    22,404.70x = 33,611.88 × 6,821.92
  4. Step 4: Simplify right side
    22,404.70x = 229,297,556.41
  5. Step 5: Solve for x
    x = 229,297,556.41/22,404.70
  6. Step 6: Final answer
    x = 10,234.35

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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.