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Finding the Fourth Proportional to 9,805.44, 14,698.10 and 3,879.96

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Solution

The fourth proportional to 9,805.44, 14,698.10 and 3,879.96 is: 5,815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,805.44 : 14,698.10 = 3,879.96 : x
  2. Step 2: Convert to fraction form
    9,805.44/14,698.10 = 3,879.96/x
  3. Step 3: Cross multiply
    9,805.44x = 14,698.10 × 3,879.96
  4. Step 4: Simplify right side
    9,805.44x = 57,028,020.68
  5. Step 5: Solve for x
    x = 57,028,020.68/9,805.44
  6. Step 6: Final answer
    x = 5,815.96

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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.