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Finding the Fourth Proportional to 789.92, 1,083.04 and 733.04

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Solution

The fourth proportional to 789.92, 1,083.04 and 733.04 is: 1,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    789.92 : 1,083.04 = 733.04 : x
  2. Step 2: Convert to fraction form
    789.92/1,083.04 = 733.04/x
  3. Step 3: Cross multiply
    789.92x = 1,083.04 × 733.04
  4. Step 4: Simplify right side
    789.92x = 793,911.64
  5. Step 5: Solve for x
    x = 793,911.64/789.92
  6. Step 6: Final answer
    x = 1,005.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.