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Finding the Fourth Proportional to 8,244.51, 11,375.82 and 6,669.87

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Solution

The fourth proportional to 8,244.51, 11,375.82 and 6,669.87 is: 9,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.51 : 11,375.82 = 6,669.87 : x
  2. Step 2: Convert to fraction form
    8,244.51/11,375.82 = 6,669.87/x
  3. Step 3: Cross multiply
    8,244.51x = 11,375.82 × 6,669.87
  4. Step 4: Simplify right side
    8,244.51x = 75,875,240.54
  5. Step 5: Solve for x
    x = 75,875,240.54/8,244.51
  6. Step 6: Final answer
    x = 9,203.12

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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.