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Finding the Fourth Proportional to 18,600.73, 27,903.82 and 6,118.43

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Solution

The fourth proportional to 18,600.73, 27,903.82 and 6,118.43 is: 9,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.73 : 27,903.82 = 6,118.43 : x
  2. Step 2: Convert to fraction form
    18,600.73/27,903.82 = 6,118.43/x
  3. Step 3: Cross multiply
    18,600.73x = 27,903.82 × 6,118.43
  4. Step 4: Simplify right side
    18,600.73x = 170,727,429.88
  5. Step 5: Solve for x
    x = 170,727,429.88/18,600.73
  6. Step 6: Final answer
    x = 9,178.54

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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.