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Finding the Fourth Proportional to 965.13, 1,450.90 and 793.07

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Solution

The fourth proportional to 965.13, 1,450.90 and 793.07 is: 1,192.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.13 : 1,450.90 = 793.07 : x
  2. Step 2: Convert to fraction form
    965.13/1,450.90 = 793.07/x
  3. Step 3: Cross multiply
    965.13x = 1,450.90 × 793.07
  4. Step 4: Simplify right side
    965.13x = 1,150,665.26
  5. Step 5: Solve for x
    x = 1,150,665.26/965.13
  6. Step 6: Final answer
    x = 1,192.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.