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Finding the Fourth Proportional to 4,791.66, 6,612.44 and 2,801.82

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Solution

The fourth proportional to 4,791.66, 6,612.44 and 2,801.82 is: 3,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.66 : 6,612.44 = 2,801.82 : x
  2. Step 2: Convert to fraction form
    4,791.66/6,612.44 = 2,801.82/x
  3. Step 3: Cross multiply
    4,791.66x = 6,612.44 × 2,801.82
  4. Step 4: Simplify right side
    4,791.66x = 18,526,866.64
  5. Step 5: Solve for x
    x = 18,526,866.64/4,791.66
  6. Step 6: Final answer
    x = 3,866.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.