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Finding the Fourth Proportional to 2,375.86, 3,563.78 and 1,076.41

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Solution

The fourth proportional to 2,375.86, 3,563.78 and 1,076.41 is: 1,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.86 : 3,563.78 = 1,076.41 : x
  2. Step 2: Convert to fraction form
    2,375.86/3,563.78 = 1,076.41/x
  3. Step 3: Cross multiply
    2,375.86x = 3,563.78 × 1,076.41
  4. Step 4: Simplify right side
    2,375.86x = 3,836,108.12
  5. Step 5: Solve for x
    x = 3,836,108.12/2,375.86
  6. Step 6: Final answer
    x = 1,614.62

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Why These Related Problems?

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