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Finding the Fourth Proportional to 4,404.96, 6,613.92 and 1,812.96

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Solution

The fourth proportional to 4,404.96, 6,613.92 and 1,812.96 is: 2,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,404.96 : 6,613.92 = 1,812.96 : x
  2. Step 2: Convert to fraction form
    4,404.96/6,613.92 = 1,812.96/x
  3. Step 3: Cross multiply
    4,404.96x = 6,613.92 × 1,812.96
  4. Step 4: Simplify right side
    4,404.96x = 11,990,772.40
  5. Step 5: Solve for x
    x = 11,990,772.40/4,404.96
  6. Step 6: Final answer
    x = 2,722.11

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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.