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Finding the Fourth Proportional to 51,517.54, 71,096.90 and 28,855.22

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Solution

The fourth proportional to 51,517.54, 71,096.90 and 28,855.22 is: 39,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,517.54 : 71,096.90 = 28,855.22 : x
  2. Step 2: Convert to fraction form
    51,517.54/71,096.90 = 28,855.22/x
  3. Step 3: Cross multiply
    51,517.54x = 71,096.90 × 28,855.22
  4. Step 4: Simplify right side
    51,517.54x = 2,051,516,690.82
  5. Step 5: Solve for x
    x = 2,051,516,690.82/51,517.54
  6. Step 6: Final answer
    x = 39,821.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.