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Finding the Fourth Proportional to 18,330.82, 27,500.82 and 10,008.61

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Solution

The fourth proportional to 18,330.82, 27,500.82 and 10,008.61 is: 15,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.82 : 27,500.82 = 10,008.61 : x
  2. Step 2: Convert to fraction form
    18,330.82/27,500.82 = 10,008.61/x
  3. Step 3: Cross multiply
    18,330.82x = 27,500.82 × 10,008.61
  4. Step 4: Simplify right side
    18,330.82x = 275,244,982.06
  5. Step 5: Solve for x
    x = 275,244,982.06/18,330.82
  6. Step 6: Final answer
    x = 15,015.42

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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.