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Finding the Fourth Proportional to 2,108.00, 3,162.49 and 627.23

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Solution

The fourth proportional to 2,108.00, 3,162.49 and 627.23 is: 940.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108.00 : 3,162.49 = 627.23 : x
  2. Step 2: Convert to fraction form
    2,108.00/3,162.49 = 627.23/x
  3. Step 3: Cross multiply
    2,108.00x = 3,162.49 × 627.23
  4. Step 4: Simplify right side
    2,108.00x = 1,983,608.60
  5. Step 5: Solve for x
    x = 1,983,608.60/2,108.00
  6. Step 6: Final answer
    x = 940.99

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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.