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Finding the Fourth Proportional to 22,662.92, 33,989.25 and 8,617.96

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Solution

The fourth proportional to 22,662.92, 33,989.25 and 8,617.96 is: 12,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.92 : 33,989.25 = 8,617.96 : x
  2. Step 2: Convert to fraction form
    22,662.92/33,989.25 = 8,617.96/x
  3. Step 3: Cross multiply
    22,662.92x = 33,989.25 × 8,617.96
  4. Step 4: Simplify right side
    22,662.92x = 292,918,071.73
  5. Step 5: Solve for x
    x = 292,918,071.73/22,662.92
  6. Step 6: Final answer
    x = 12,924.99

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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.