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Finding the Fourth Proportional to 22,193.20, 33,354.60 and 21,804.40

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Solution

The fourth proportional to 22,193.20, 33,354.60 and 21,804.40 is: 32,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.20 : 33,354.60 = 21,804.40 : x
  2. Step 2: Convert to fraction form
    22,193.20/33,354.60 = 21,804.40/x
  3. Step 3: Cross multiply
    22,193.20x = 33,354.60 × 21,804.40
  4. Step 4: Simplify right side
    22,193.20x = 727,277,040.24
  5. Step 5: Solve for x
    x = 727,277,040.24/22,193.20
  6. Step 6: Final answer
    x = 32,770.26

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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.