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Finding the Fourth Proportional to 20,153.25, 30,229.82 and 5,362.17

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Solution

The fourth proportional to 20,153.25, 30,229.82 and 5,362.17 is: 8,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153.25 : 30,229.82 = 5,362.17 : x
  2. Step 2: Convert to fraction form
    20,153.25/30,229.82 = 5,362.17/x
  3. Step 3: Cross multiply
    20,153.25x = 30,229.82 × 5,362.17
  4. Step 4: Simplify right side
    20,153.25x = 162,097,433.91
  5. Step 5: Solve for x
    x = 162,097,433.91/20,153.25
  6. Step 6: Final answer
    x = 8,043.24

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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.