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Finding the Fourth Proportional to 18,028.17, 27,024.02 and 8,654.49

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Solution

The fourth proportional to 18,028.17, 27,024.02 and 8,654.49 is: 12,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.17 : 27,024.02 = 8,654.49 : x
  2. Step 2: Convert to fraction form
    18,028.17/27,024.02 = 8,654.49/x
  3. Step 3: Cross multiply
    18,028.17x = 27,024.02 × 8,654.49
  4. Step 4: Simplify right side
    18,028.17x = 233,879,067.58
  5. Step 5: Solve for x
    x = 233,879,067.58/18,028.17
  6. Step 6: Final answer
    x = 12,972.98

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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.