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Finding the Fourth Proportional to 960.31, 1,323.70 and 794.26

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Solution

The fourth proportional to 960.31, 1,323.70 and 794.26 is: 1,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.31 : 1,323.70 = 794.26 : x
  2. Step 2: Convert to fraction form
    960.31/1,323.70 = 794.26/x
  3. Step 3: Cross multiply
    960.31x = 1,323.70 × 794.26
  4. Step 4: Simplify right side
    960.31x = 1,051,361.96
  5. Step 5: Solve for x
    x = 1,051,361.96/960.31
  6. Step 6: Final answer
    x = 1,094.82

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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.