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Finding the Fourth Proportional to 6,393.68, 9,593.20 and 2,696.72

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Solution

The fourth proportional to 6,393.68, 9,593.20 and 2,696.72 is: 4,046.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.68 : 9,593.20 = 2,696.72 : x
  2. Step 2: Convert to fraction form
    6,393.68/9,593.20 = 2,696.72/x
  3. Step 3: Cross multiply
    6,393.68x = 9,593.20 × 2,696.72
  4. Step 4: Simplify right side
    6,393.68x = 25,870,174.30
  5. Step 5: Solve for x
    x = 25,870,174.30/6,393.68
  6. Step 6: Final answer
    x = 4,046.21

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1.5x scale

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.