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Finding the Fourth Proportional to 2,059.73, 2,842.41 and 1,128.23

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Solution

The fourth proportional to 2,059.73, 2,842.41 and 1,128.23 is: 1,556.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.73 : 2,842.41 = 1,128.23 : x
  2. Step 2: Convert to fraction form
    2,059.73/2,842.41 = 1,128.23/x
  3. Step 3: Cross multiply
    2,059.73x = 2,842.41 × 1,128.23
  4. Step 4: Simplify right side
    2,059.73x = 3,206,892.23
  5. Step 5: Solve for x
    x = 3,206,892.23/2,059.73
  6. Step 6: Final answer
    x = 1,556.95

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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.