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Finding the Fourth Proportional to 1,322.82, 1,825.36 and 791.59

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Solution

The fourth proportional to 1,322.82, 1,825.36 and 791.59 is: 1,092.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.82 : 1,825.36 = 791.59 : x
  2. Step 2: Convert to fraction form
    1,322.82/1,825.36 = 791.59/x
  3. Step 3: Cross multiply
    1,322.82x = 1,825.36 × 791.59
  4. Step 4: Simplify right side
    1,322.82x = 1,444,932.76
  5. Step 5: Solve for x
    x = 1,444,932.76/1,322.82
  6. Step 6: Final answer
    x = 1,092.32

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