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Finding the Fourth Proportional to 22,212.80, 33,324.97 and 6,630.42

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Solution

The fourth proportional to 22,212.80, 33,324.97 and 6,630.42 is: 9,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.80 : 33,324.97 = 6,630.42 : x
  2. Step 2: Convert to fraction form
    22,212.80/33,324.97 = 6,630.42/x
  3. Step 3: Cross multiply
    22,212.80x = 33,324.97 × 6,630.42
  4. Step 4: Simplify right side
    22,212.80x = 220,958,547.59
  5. Step 5: Solve for x
    x = 220,958,547.59/22,212.80
  6. Step 6: Final answer
    x = 9,947.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.