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Finding the Fourth Proportional to 37,454.25, 51,687.27 and 20,687.25

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Solution

The fourth proportional to 37,454.25, 51,687.27 and 20,687.25 is: 28,548.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,454.25 : 51,687.27 = 20,687.25 : x
  2. Step 2: Convert to fraction form
    37,454.25/51,687.27 = 20,687.25/x
  3. Step 3: Cross multiply
    37,454.25x = 51,687.27 × 20,687.25
  4. Step 4: Simplify right side
    37,454.25x = 1,069,267,476.31
  5. Step 5: Solve for x
    x = 1,069,267,476.31/37,454.25
  6. Step 6: Final answer
    x = 28,548.63

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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.