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Finding the Fourth Proportional to 18,610.73, 27,910.18 and 6,127.95

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Solution

The fourth proportional to 18,610.73, 27,910.18 and 6,127.95 is: 9,189.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.73 : 27,910.18 = 6,127.95 : x
  2. Step 2: Convert to fraction form
    18,610.73/27,910.18 = 6,127.95/x
  3. Step 3: Cross multiply
    18,610.73x = 27,910.18 × 6,127.95
  4. Step 4: Simplify right side
    18,610.73x = 171,032,187.53
  5. Step 5: Solve for x
    x = 171,032,187.53/18,610.73
  6. Step 6: Final answer
    x = 9,189.98

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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.