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Finding the Fourth Proportional to 796.04, 1,096.09 and 690.94

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Solution

The fourth proportional to 796.04, 1,096.09 and 690.94 is: 951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.04 : 1,096.09 = 690.94 : x
  2. Step 2: Convert to fraction form
    796.04/1,096.09 = 690.94/x
  3. Step 3: Cross multiply
    796.04x = 1,096.09 × 690.94
  4. Step 4: Simplify right side
    796.04x = 757,328.97
  5. Step 5: Solve for x
    x = 757,328.97/796.04
  6. Step 6: Final answer
    x = 951.37

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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.