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Finding the Fourth Proportional to 18,028.92, 27,025.14 and 8,655.24

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Solution

The fourth proportional to 18,028.92, 27,025.14 and 8,655.24 is: 12,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.92 : 27,025.14 = 8,655.24 : x
  2. Step 2: Convert to fraction form
    18,028.92/27,025.14 = 8,655.24/x
  3. Step 3: Cross multiply
    18,028.92x = 27,025.14 × 8,655.24
  4. Step 4: Simplify right side
    18,028.92x = 233,909,072.73
  5. Step 5: Solve for x
    x = 233,909,072.73/18,028.92
  6. Step 6: Final answer
    x = 12,974.10

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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.