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Finding the Fourth Proportional to 22,662.52, 33,993.68 and 8,619.24

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Solution

The fourth proportional to 22,662.52, 33,993.68 and 8,619.24 is: 12,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.52 : 33,993.68 = 8,619.24 : x
  2. Step 2: Convert to fraction form
    22,662.52/33,993.68 = 8,619.24/x
  3. Step 3: Cross multiply
    22,662.52x = 33,993.68 × 8,619.24
  4. Step 4: Simplify right side
    22,662.52x = 292,999,770.78
  5. Step 5: Solve for x
    x = 292,999,770.78/22,662.52
  6. Step 6: Final answer
    x = 12,928.83

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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.