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Finding the Fourth Proportional to 37,275.94, 55,912.10 and 13,900.56

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Solution

The fourth proportional to 37,275.94, 55,912.10 and 13,900.56 is: 20,850.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,275.94 : 55,912.10 = 13,900.56 : x
  2. Step 2: Convert to fraction form
    37,275.94/55,912.10 = 13,900.56/x
  3. Step 3: Cross multiply
    37,275.94x = 55,912.10 × 13,900.56
  4. Step 4: Simplify right side
    37,275.94x = 777,209,500.78
  5. Step 5: Solve for x
    x = 777,209,500.78/37,275.94
  6. Step 6: Final answer
    x = 20,850.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.