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Finding the Fourth Proportional to 2,047.82, 2,826.33 and 1,208.73

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Solution

The fourth proportional to 2,047.82, 2,826.33 and 1,208.73 is: 1,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.82 : 2,826.33 = 1,208.73 : x
  2. Step 2: Convert to fraction form
    2,047.82/2,826.33 = 1,208.73/x
  3. Step 3: Cross multiply
    2,047.82x = 2,826.33 × 1,208.73
  4. Step 4: Simplify right side
    2,047.82x = 3,416,269.86
  5. Step 5: Solve for x
    x = 3,416,269.86/2,047.82
  6. Step 6: Final answer
    x = 1,668.25

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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.