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Finding the Fourth Proportional to 37,015.50, 51,081.42 and 20,248.50

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Solution

The fourth proportional to 37,015.50, 51,081.42 and 20,248.50 is: 27,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,015.50 : 51,081.42 = 20,248.50 : x
  2. Step 2: Convert to fraction form
    37,015.50/51,081.42 = 20,248.50/x
  3. Step 3: Cross multiply
    37,015.50x = 51,081.42 × 20,248.50
  4. Step 4: Simplify right side
    37,015.50x = 1,034,322,132.87
  5. Step 5: Solve for x
    x = 1,034,322,132.87/37,015.50
  6. Step 6: Final answer
    x = 27,942.95

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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.