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Finding the Fourth Proportional to 2,095.48, 3,143.04 and 796.96

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Solution

The fourth proportional to 2,095.48, 3,143.04 and 796.96 is: 1,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.48 : 3,143.04 = 796.96 : x
  2. Step 2: Convert to fraction form
    2,095.48/3,143.04 = 796.96/x
  3. Step 3: Cross multiply
    2,095.48x = 3,143.04 × 796.96
  4. Step 4: Simplify right side
    2,095.48x = 2,504,877.16
  5. Step 5: Solve for x
    x = 2,504,877.16/2,095.48
  6. Step 6: Final answer
    x = 1,195.37

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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.