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Finding the Fourth Proportional to 1,232.30, 1,847.22 and 793.48

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Solution

The fourth proportional to 1,232.30, 1,847.22 and 793.48 is: 1,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.30 : 1,847.22 = 793.48 : x
  2. Step 2: Convert to fraction form
    1,232.30/1,847.22 = 793.48/x
  3. Step 3: Cross multiply
    1,232.30x = 1,847.22 × 793.48
  4. Step 4: Simplify right side
    1,232.30x = 1,465,732.13
  5. Step 5: Solve for x
    x = 1,465,732.13/1,232.30
  6. Step 6: Final answer
    x = 1,189.43

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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.