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Finding the Fourth Proportional to 2,046.06, 3,069.39 and 747.22

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Solution

The fourth proportional to 2,046.06, 3,069.39 and 747.22 is: 1,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.06 : 3,069.39 = 747.22 : x
  2. Step 2: Convert to fraction form
    2,046.06/3,069.39 = 747.22/x
  3. Step 3: Cross multiply
    2,046.06x = 3,069.39 × 747.22
  4. Step 4: Simplify right side
    2,046.06x = 2,293,505.86
  5. Step 5: Solve for x
    x = 2,293,505.86/2,046.06
  6. Step 6: Final answer
    x = 1,120.94

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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.