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Finding the Fourth Proportional to 31,798.44, 43,879.50 and 17,650.08

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Solution

The fourth proportional to 31,798.44, 43,879.50 and 17,650.08 is: 24,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,798.44 : 43,879.50 = 17,650.08 : x
  2. Step 2: Convert to fraction form
    31,798.44/43,879.50 = 17,650.08/x
  3. Step 3: Cross multiply
    31,798.44x = 43,879.50 × 17,650.08
  4. Step 4: Simplify right side
    31,798.44x = 774,476,685.36
  5. Step 5: Solve for x
    x = 774,476,685.36/31,798.44
  6. Step 6: Final answer
    x = 24,355.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.