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Finding the Fourth Proportional to 18,060.28, 27,101.14 and 8,199.42

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Solution

The fourth proportional to 18,060.28, 27,101.14 and 8,199.42 is: 12,304.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.28 : 27,101.14 = 8,199.42 : x
  2. Step 2: Convert to fraction form
    18,060.28/27,101.14 = 8,199.42/x
  3. Step 3: Cross multiply
    18,060.28x = 27,101.14 × 8,199.42
  4. Step 4: Simplify right side
    18,060.28x = 222,213,629.34
  5. Step 5: Solve for x
    x = 222,213,629.34/18,060.28
  6. Step 6: Final answer
    x = 12,304.00

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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.