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Finding the Fourth Proportional to 51,902.87, 71,625.95 and 28,029.54

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Solution

The fourth proportional to 51,902.87, 71,625.95 and 28,029.54 is: 38,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,902.87 : 71,625.95 = 28,029.54 : x
  2. Step 2: Convert to fraction form
    51,902.87/71,625.95 = 28,029.54/x
  3. Step 3: Cross multiply
    51,902.87x = 71,625.95 × 28,029.54
  4. Step 4: Simplify right side
    51,902.87x = 2,007,642,430.56
  5. Step 5: Solve for x
    x = 2,007,642,430.56/51,902.87
  6. Step 6: Final answer
    x = 38,680.76

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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.