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Finding the Fourth Proportional to 33,701.40, 50,527.80 and 22,021.20

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Solution

The fourth proportional to 33,701.40, 50,527.80 and 22,021.20 is: 33,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,701.40 : 50,527.80 = 22,021.20 : x
  2. Step 2: Convert to fraction form
    33,701.40/50,527.80 = 22,021.20/x
  3. Step 3: Cross multiply
    33,701.40x = 50,527.80 × 22,021.20
  4. Step 4: Simplify right side
    33,701.40x = 1,112,682,789.36
  5. Step 5: Solve for x
    x = 1,112,682,789.36/33,701.40
  6. Step 6: Final answer
    x = 33,015.92

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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.