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Finding the Fourth Proportional to 2,910.84, 4,016.52 and 1,791.96

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Solution

The fourth proportional to 2,910.84, 4,016.52 and 1,791.96 is: 2,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.84 : 4,016.52 = 1,791.96 : x
  2. Step 2: Convert to fraction form
    2,910.84/4,016.52 = 1,791.96/x
  3. Step 3: Cross multiply
    2,910.84x = 4,016.52 × 1,791.96
  4. Step 4: Simplify right side
    2,910.84x = 7,197,443.18
  5. Step 5: Solve for x
    x = 7,197,443.18/2,910.84
  6. Step 6: Final answer
    x = 2,472.63

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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.