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Finding the Fourth Proportional to 22,200.66, 33,299.90 and 8,159.61

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Solution

The fourth proportional to 22,200.66, 33,299.90 and 8,159.61 is: 12,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,200.66 : 33,299.90 = 8,159.61 : x
  2. Step 2: Convert to fraction form
    22,200.66/33,299.90 = 8,159.61/x
  3. Step 3: Cross multiply
    22,200.66x = 33,299.90 × 8,159.61
  4. Step 4: Simplify right side
    22,200.66x = 271,714,311.71
  5. Step 5: Solve for x
    x = 271,714,311.71/22,200.66
  6. Step 6: Final answer
    x = 12,239.02

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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.