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Finding the Fourth Proportional to 18,600.06, 27,900.04 and 6,753.82

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Solution

The fourth proportional to 18,600.06, 27,900.04 and 6,753.82 is: 10,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.06 : 27,900.04 = 6,753.82 : x
  2. Step 2: Convert to fraction form
    18,600.06/27,900.04 = 6,753.82/x
  3. Step 3: Cross multiply
    18,600.06x = 27,900.04 × 6,753.82
  4. Step 4: Simplify right side
    18,600.06x = 188,431,848.15
  5. Step 5: Solve for x
    x = 188,431,848.15/18,600.06
  6. Step 6: Final answer
    x = 10,130.71

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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.