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Finding the Fourth Proportional to 794.04, 1,092.51 and 775.64

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Solution

The fourth proportional to 794.04, 1,092.51 and 775.64 is: 1,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.04 : 1,092.51 = 775.64 : x
  2. Step 2: Convert to fraction form
    794.04/1,092.51 = 775.64/x
  3. Step 3: Cross multiply
    794.04x = 1,092.51 × 775.64
  4. Step 4: Simplify right side
    794.04x = 847,388.99
  5. Step 5: Solve for x
    x = 847,388.99/794.04
  6. Step 6: Final answer
    x = 1,067.19

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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.