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Finding the Fourth Proportional to 6,796, 9,378.50 and 3,965.32

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Solution

The fourth proportional to 6,796, 9,378.50 and 3,965.32 is: 5,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,796 : 9,378.50 = 3,965.32 : x
  2. Step 2: Convert to fraction form
    6,796/9,378.50 = 3,965.32/x
  3. Step 3: Cross multiply
    6,796x = 9,378.50 × 3,965.32
  4. Step 4: Simplify right side
    6,796x = 37,188,753.62
  5. Step 5: Solve for x
    x = 37,188,753.62/6,796
  6. Step 6: Final answer
    x = 5,472.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.