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Finding the Fourth Proportional to 793.64, 1,094.27 and 682.92

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Solution

The fourth proportional to 793.64, 1,094.27 and 682.92 is: 941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.64 : 1,094.27 = 682.92 : x
  2. Step 2: Convert to fraction form
    793.64/1,094.27 = 682.92/x
  3. Step 3: Cross multiply
    793.64x = 1,094.27 × 682.92
  4. Step 4: Simplify right side
    793.64x = 747,303.48
  5. Step 5: Solve for x
    x = 747,303.48/793.64
  6. Step 6: Final answer
    x = 941.61

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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.