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Finding the Fourth Proportional to 951.23, 1,424.43 and 796.77

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Solution

The fourth proportional to 951.23, 1,424.43 and 796.77 is: 1,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.23 : 1,424.43 = 796.77 : x
  2. Step 2: Convert to fraction form
    951.23/1,424.43 = 796.77/x
  3. Step 3: Cross multiply
    951.23x = 1,424.43 × 796.77
  4. Step 4: Simplify right side
    951.23x = 1,134,943.09
  5. Step 5: Solve for x
    x = 1,134,943.09/951.23
  6. Step 6: Final answer
    x = 1,193.13

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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.