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Finding the Fourth Proportional to 2,080.73, 3,122.37 and 969.95

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Solution

The fourth proportional to 2,080.73, 3,122.37 and 969.95 is: 1,455.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.73 : 3,122.37 = 969.95 : x
  2. Step 2: Convert to fraction form
    2,080.73/3,122.37 = 969.95/x
  3. Step 3: Cross multiply
    2,080.73x = 3,122.37 × 969.95
  4. Step 4: Simplify right side
    2,080.73x = 3,028,542.78
  5. Step 5: Solve for x
    x = 3,028,542.78/2,080.73
  6. Step 6: Final answer
    x = 1,455.52

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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.