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Finding the Fourth Proportional to 22,662.99, 33,921.70 and 12,106.62

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Solution

The fourth proportional to 22,662.99, 33,921.70 and 12,106.62 is: 18,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.99 : 33,921.70 = 12,106.62 : x
  2. Step 2: Convert to fraction form
    22,662.99/33,921.70 = 12,106.62/x
  3. Step 3: Cross multiply
    22,662.99x = 33,921.70 × 12,106.62
  4. Step 4: Simplify right side
    22,662.99x = 410,677,101.39
  5. Step 5: Solve for x
    x = 410,677,101.39/22,662.99
  6. Step 6: Final answer
    x = 18,121.05

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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.