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Finding the Fourth Proportional to 6,405.66, 9,609.66 and 2,244.42

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Solution

The fourth proportional to 6,405.66, 9,609.66 and 2,244.42 is: 3,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.66 : 9,609.66 = 2,244.42 : x
  2. Step 2: Convert to fraction form
    6,405.66/9,609.66 = 2,244.42/x
  3. Step 3: Cross multiply
    6,405.66x = 9,609.66 × 2,244.42
  4. Step 4: Simplify right side
    6,405.66x = 21,568,113.10
  5. Step 5: Solve for x
    x = 21,568,113.10/6,405.66
  6. Step 6: Final answer
    x = 3,367.04

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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.