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Finding the Fourth Proportional to 1,164.94, 1,745.79 and 798.82

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Solution

The fourth proportional to 1,164.94, 1,745.79 and 798.82 is: 1,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.94 : 1,745.79 = 798.82 : x
  2. Step 2: Convert to fraction form
    1,164.94/1,745.79 = 798.82/x
  3. Step 3: Cross multiply
    1,164.94x = 1,745.79 × 798.82
  4. Step 4: Simplify right side
    1,164.94x = 1,394,571.97
  5. Step 5: Solve for x
    x = 1,394,571.97/1,164.94
  6. Step 6: Final answer
    x = 1,197.12

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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.