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Finding the Fourth Proportional to 1,372.62, 2,059.29 and 795

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Solution

The fourth proportional to 1,372.62, 2,059.29 and 795 is: 1,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.62 : 2,059.29 = 795 : x
  2. Step 2: Convert to fraction form
    1,372.62/2,059.29 = 795/x
  3. Step 3: Cross multiply
    1,372.62x = 2,059.29 × 795
  4. Step 4: Simplify right side
    1,372.62x = 1,637,135.55
  5. Step 5: Solve for x
    x = 1,637,135.55/1,372.62
  6. Step 6: Final answer
    x = 1,192.71

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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.