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Finding the Fourth Proportional to 33,958.27, 50,930.12 and 21,301.92

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Solution

The fourth proportional to 33,958.27, 50,930.12 and 21,301.92 is: 31,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,958.27 : 50,930.12 = 21,301.92 : x
  2. Step 2: Convert to fraction form
    33,958.27/50,930.12 = 21,301.92/x
  3. Step 3: Cross multiply
    33,958.27x = 50,930.12 × 21,301.92
  4. Step 4: Simplify right side
    33,958.27x = 1,084,909,235.32
  5. Step 5: Solve for x
    x = 1,084,909,235.32/33,958.27
  6. Step 6: Final answer
    x = 31,948.31

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1.5x scale

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.