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Finding the Fourth Proportional to 37,257.54, 51,414.36 and 20,490.54

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Solution

The fourth proportional to 37,257.54, 51,414.36 and 20,490.54 is: 28,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,257.54 : 51,414.36 = 20,490.54 : x
  2. Step 2: Convert to fraction form
    37,257.54/51,414.36 = 20,490.54/x
  3. Step 3: Cross multiply
    37,257.54x = 51,414.36 × 20,490.54
  4. Step 4: Simplify right side
    37,257.54x = 1,053,508,000.15
  5. Step 5: Solve for x
    x = 1,053,508,000.15/37,257.54
  6. Step 6: Final answer
    x = 28,276.37

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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.