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Finding the Fourth Proportional to 17,879.58, 24,673.07 and 9,921.33

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Solution

The fourth proportional to 17,879.58, 24,673.07 and 9,921.33 is: 13,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.58 : 24,673.07 = 9,921.33 : x
  2. Step 2: Convert to fraction form
    17,879.58/24,673.07 = 9,921.33/x
  3. Step 3: Cross multiply
    17,879.58x = 24,673.07 × 9,921.33
  4. Step 4: Simplify right side
    17,879.58x = 244,789,694.39
  5. Step 5: Solve for x
    x = 244,789,694.39/17,879.58
  6. Step 6: Final answer
    x = 13,691.02

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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.