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Finding the Fourth Proportional to 22,046.80, 32,997.30 and 19,422.40

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Solution

The fourth proportional to 22,046.80, 32,997.30 and 19,422.40 is: 29,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,046.80 : 32,997.30 = 19,422.40 : x
  2. Step 2: Convert to fraction form
    22,046.80/32,997.30 = 19,422.40/x
  3. Step 3: Cross multiply
    22,046.80x = 32,997.30 × 19,422.40
  4. Step 4: Simplify right side
    22,046.80x = 640,886,759.52
  5. Step 5: Solve for x
    x = 640,886,759.52/22,046.80
  6. Step 6: Final answer
    x = 29,069.38

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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.