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Finding the Fourth Proportional to 1,422.92, 1,963.54 and 793.54

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Solution

The fourth proportional to 1,422.92, 1,963.54 and 793.54 is: 1,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422.92 : 1,963.54 = 793.54 : x
  2. Step 2: Convert to fraction form
    1,422.92/1,963.54 = 793.54/x
  3. Step 3: Cross multiply
    1,422.92x = 1,963.54 × 793.54
  4. Step 4: Simplify right side
    1,422.92x = 1,558,147.53
  5. Step 5: Solve for x
    x = 1,558,147.53/1,422.92
  6. Step 6: Final answer
    x = 1,095.04

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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.