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Finding the Fourth Proportional to 1,469.74, 2,028.27 and 806.59

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Solution

The fourth proportional to 1,469.74, 2,028.27 and 806.59 is: 1,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.74 : 2,028.27 = 806.59 : x
  2. Step 2: Convert to fraction form
    1,469.74/2,028.27 = 806.59/x
  3. Step 3: Cross multiply
    1,469.74x = 2,028.27 × 806.59
  4. Step 4: Simplify right side
    1,469.74x = 1,635,977.23
  5. Step 5: Solve for x
    x = 1,635,977.23/1,469.74
  6. Step 6: Final answer
    x = 1,113.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.