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Finding the Fourth Proportional to 33,430.49, 50,111.97 and 20,959.27

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Solution

The fourth proportional to 33,430.49, 50,111.97 and 20,959.27 is: 31,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,430.49 : 50,111.97 = 20,959.27 : x
  2. Step 2: Convert to fraction form
    33,430.49/50,111.97 = 20,959.27/x
  3. Step 3: Cross multiply
    33,430.49x = 50,111.97 × 20,959.27
  4. Step 4: Simplify right side
    33,430.49x = 1,050,310,105.58
  5. Step 5: Solve for x
    x = 1,050,310,105.58/33,430.49
  6. Step 6: Final answer
    x = 31,417.73

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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.