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Finding the Fourth Proportional to 2,794.73, 4,192.56 and 945.83

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Solution

The fourth proportional to 2,794.73, 4,192.56 and 945.83 is: 1,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.73 : 4,192.56 = 945.83 : x
  2. Step 2: Convert to fraction form
    2,794.73/4,192.56 = 945.83/x
  3. Step 3: Cross multiply
    2,794.73x = 4,192.56 × 945.83
  4. Step 4: Simplify right side
    2,794.73x = 3,965,459.51
  5. Step 5: Solve for x
    x = 3,965,459.51/2,794.73
  6. Step 6: Final answer
    x = 1,418.91

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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.