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Finding the Fourth Proportional to 22,404.52, 33,611.65 and 6,821.74

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Solution

The fourth proportional to 22,404.52, 33,611.65 and 6,821.74 is: 10,234.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,404.52 : 33,611.65 = 6,821.74 : x
  2. Step 2: Convert to fraction form
    22,404.52/33,611.65 = 6,821.74/x
  3. Step 3: Cross multiply
    22,404.52x = 33,611.65 × 6,821.74
  4. Step 4: Simplify right side
    22,404.52x = 229,289,937.27
  5. Step 5: Solve for x
    x = 229,289,937.27/22,404.52
  6. Step 6: Final answer
    x = 10,234.09

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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.