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Finding the Fourth Proportional to 18,616.95, 27,925.88 and 5,469.75

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Solution

The fourth proportional to 18,616.95, 27,925.88 and 5,469.75 is: 8,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.95 : 27,925.88 = 5,469.75 : x
  2. Step 2: Convert to fraction form
    18,616.95/27,925.88 = 5,469.75/x
  3. Step 3: Cross multiply
    18,616.95x = 27,925.88 × 5,469.75
  4. Step 4: Simplify right side
    18,616.95x = 152,747,554.78
  5. Step 5: Solve for x
    x = 152,747,554.78/18,616.95
  6. Step 6: Final answer
    x = 8,204.76

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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.