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Finding the Fourth Proportional to 6,447.87, 9,668.03 and 2,063.07

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Solution

The fourth proportional to 6,447.87, 9,668.03 and 2,063.07 is: 3,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.87 : 9,668.03 = 2,063.07 : x
  2. Step 2: Convert to fraction form
    6,447.87/9,668.03 = 2,063.07/x
  3. Step 3: Cross multiply
    6,447.87x = 9,668.03 × 2,063.07
  4. Step 4: Simplify right side
    6,447.87x = 19,945,812.34
  5. Step 5: Solve for x
    x = 19,945,812.34/6,447.87
  6. Step 6: Final answer
    x = 3,093.40

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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.