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Finding the Fourth Proportional to 22,405.47, 33,584.70 and 8,359.83

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Solution

The fourth proportional to 22,405.47, 33,584.70 and 8,359.83 is: 12,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,405.47 : 33,584.70 = 8,359.83 : x
  2. Step 2: Convert to fraction form
    22,405.47/33,584.70 = 8,359.83/x
  3. Step 3: Cross multiply
    22,405.47x = 33,584.70 × 8,359.83
  4. Step 4: Simplify right side
    22,405.47x = 280,762,382.60
  5. Step 5: Solve for x
    x = 280,762,382.60/22,405.47
  6. Step 6: Final answer
    x = 12,530.97

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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.