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Finding the Fourth Proportional to 16,807.89, 25,211.82 and 5,863.89

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Solution

The fourth proportional to 16,807.89, 25,211.82 and 5,863.89 is: 8,795.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,807.89 : 25,211.82 = 5,863.89 : x
  2. Step 2: Convert to fraction form
    16,807.89/25,211.82 = 5,863.89/x
  3. Step 3: Cross multiply
    16,807.89x = 25,211.82 × 5,863.89
  4. Step 4: Simplify right side
    16,807.89x = 147,839,339.18
  5. Step 5: Solve for x
    x = 147,839,339.18/16,807.89
  6. Step 6: Final answer
    x = 8,795.83

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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.