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Finding the Fourth Proportional to 31,795.92, 43,879.14 and 17,650.08

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Solution

The fourth proportional to 31,795.92, 43,879.14 and 17,650.08 is: 24,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,795.92 : 43,879.14 = 17,650.08 : x
  2. Step 2: Convert to fraction form
    31,795.92/43,879.14 = 17,650.08/x
  3. Step 3: Cross multiply
    31,795.92x = 43,879.14 × 17,650.08
  4. Step 4: Simplify right side
    31,795.92x = 774,470,331.33
  5. Step 5: Solve for x
    x = 774,470,331.33/31,795.92
  6. Step 6: Final answer
    x = 24,357.54

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1.5x scale

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.