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Finding the Fourth Proportional to 1,232.96, 1,701.32 and 791.46

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Solution

The fourth proportional to 1,232.96, 1,701.32 and 791.46 is: 1,092.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.96 : 1,701.32 = 791.46 : x
  2. Step 2: Convert to fraction form
    1,232.96/1,701.32 = 791.46/x
  3. Step 3: Cross multiply
    1,232.96x = 1,701.32 × 791.46
  4. Step 4: Simplify right side
    1,232.96x = 1,346,526.73
  5. Step 5: Solve for x
    x = 1,346,526.73/1,232.96
  6. Step 6: Final answer
    x = 1,092.11

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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.