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Finding the Fourth Proportional to 6,794.22, 9,419.42 and 6,553.64

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Solution

The fourth proportional to 6,794.22, 9,419.42 and 6,553.64 is: 9,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,794.22 : 9,419.42 = 6,553.64 : x
  2. Step 2: Convert to fraction form
    6,794.22/9,419.42 = 6,553.64/x
  3. Step 3: Cross multiply
    6,794.22x = 9,419.42 × 6,553.64
  4. Step 4: Simplify right side
    6,794.22x = 61,731,487.69
  5. Step 5: Solve for x
    x = 61,731,487.69/6,794.22
  6. Step 6: Final answer
    x = 9,085.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.