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Finding the Fourth Proportional to 16,618.67, 24,919.67 and 5,521.46

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Solution

The fourth proportional to 16,618.67, 24,919.67 and 5,521.46 is: 8,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618.67 : 24,919.67 = 5,521.46 : x
  2. Step 2: Convert to fraction form
    16,618.67/24,919.67 = 5,521.46/x
  3. Step 3: Cross multiply
    16,618.67x = 24,919.67 × 5,521.46
  4. Step 4: Simplify right side
    16,618.67x = 137,592,961.12
  5. Step 5: Solve for x
    x = 137,592,961.12/16,618.67
  6. Step 6: Final answer
    x = 8,279.42

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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.