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Finding the Fourth Proportional to 1,791.69, 2,469.99 and 1,476.47

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Solution

The fourth proportional to 1,791.69, 2,469.99 and 1,476.47 is: 2,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.69 : 2,469.99 = 1,476.47 : x
  2. Step 2: Convert to fraction form
    1,791.69/2,469.99 = 1,476.47/x
  3. Step 3: Cross multiply
    1,791.69x = 2,469.99 × 1,476.47
  4. Step 4: Simplify right side
    1,791.69x = 3,646,866.14
  5. Step 5: Solve for x
    x = 3,646,866.14/1,791.69
  6. Step 6: Final answer
    x = 2,035.43

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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.