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Finding the Fourth Proportional to 16,616.67, 24,916.67 and 5,519.46

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Solution

The fourth proportional to 16,616.67, 24,916.67 and 5,519.46 is: 8,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,616.67 : 24,916.67 = 5,519.46 : x
  2. Step 2: Convert to fraction form
    16,616.67/24,916.67 = 5,519.46/x
  3. Step 3: Cross multiply
    16,616.67x = 24,916.67 × 5,519.46
  4. Step 4: Simplify right side
    16,616.67x = 137,526,618.79
  5. Step 5: Solve for x
    x = 137,526,618.79/16,616.67
  6. Step 6: Final answer
    x = 8,276.43

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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.