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Finding the Fourth Proportional to 1,862.97, 2,791.71 and 1,473.99

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Solution

The fourth proportional to 1,862.97, 2,791.71 and 1,473.99 is: 2,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.97 : 2,791.71 = 1,473.99 : x
  2. Step 2: Convert to fraction form
    1,862.97/2,791.71 = 1,473.99/x
  3. Step 3: Cross multiply
    1,862.97x = 2,791.71 × 1,473.99
  4. Step 4: Simplify right side
    1,862.97x = 4,114,952.62
  5. Step 5: Solve for x
    x = 4,114,952.62/1,862.97
  6. Step 6: Final answer
    x = 2,208.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.