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Finding the Fourth Proportional to 37,170.46, 55,757.46 and 11,872.66

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Solution

The fourth proportional to 37,170.46, 55,757.46 and 11,872.66 is: 17,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,170.46 : 55,757.46 = 11,872.66 : x
  2. Step 2: Convert to fraction form
    37,170.46/55,757.46 = 11,872.66/x
  3. Step 3: Cross multiply
    37,170.46x = 55,757.46 × 11,872.66
  4. Step 4: Simplify right side
    37,170.46x = 661,989,365.04
  5. Step 5: Solve for x
    x = 661,989,365.04/37,170.46
  6. Step 6: Final answer
    x = 17,809.56

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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.