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Finding the Fourth Proportional to 22,703.78, 34,087.56 and 11,618.42

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Solution

The fourth proportional to 22,703.78, 34,087.56 and 11,618.42 is: 17,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703.78 : 34,087.56 = 11,618.42 : x
  2. Step 2: Convert to fraction form
    22,703.78/34,087.56 = 11,618.42/x
  3. Step 3: Cross multiply
    22,703.78x = 34,087.56 × 11,618.42
  4. Step 4: Simplify right side
    22,703.78x = 396,043,588.86
  5. Step 5: Solve for x
    x = 396,043,588.86/22,703.78
  6. Step 6: Final answer
    x = 17,443.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.