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Finding the Fourth Proportional to 22,453.59, 33,680.39 and 12,464.48

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Solution

The fourth proportional to 22,453.59, 33,680.39 and 12,464.48 is: 18,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,453.59 : 33,680.39 = 12,464.48 : x
  2. Step 2: Convert to fraction form
    22,453.59/33,680.39 = 12,464.48/x
  3. Step 3: Cross multiply
    22,453.59x = 33,680.39 × 12,464.48
  4. Step 4: Simplify right side
    22,453.59x = 419,808,316.82
  5. Step 5: Solve for x
    x = 419,808,316.82/22,453.59
  6. Step 6: Final answer
    x = 18,696.71

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Similar ratio
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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.