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Finding the Fourth Proportional to 6,369.26, 8,789.31 and 3,536.42

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Solution

The fourth proportional to 6,369.26, 8,789.31 and 3,536.42 is: 4,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369.26 : 8,789.31 = 3,536.42 : x
  2. Step 2: Convert to fraction form
    6,369.26/8,789.31 = 3,536.42/x
  3. Step 3: Cross multiply
    6,369.26x = 8,789.31 × 3,536.42
  4. Step 4: Simplify right side
    6,369.26x = 31,082,691.67
  5. Step 5: Solve for x
    x = 31,082,691.67/6,369.26
  6. Step 6: Final answer
    x = 4,880.11

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1.5x scale

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.