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Finding the Fourth Proportional to 18,662.73, 27,996.05 and 8,799.36

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Solution

The fourth proportional to 18,662.73, 27,996.05 and 8,799.36 is: 13,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662.73 : 27,996.05 = 8,799.36 : x
  2. Step 2: Convert to fraction form
    18,662.73/27,996.05 = 8,799.36/x
  3. Step 3: Cross multiply
    18,662.73x = 27,996.05 × 8,799.36
  4. Step 4: Simplify right side
    18,662.73x = 246,347,322.53
  5. Step 5: Solve for x
    x = 246,347,322.53/18,662.73
  6. Step 6: Final answer
    x = 13,199.96

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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.