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Finding the Fourth Proportional to 8,340.14, 11,496.05 and 5,650.54

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Solution

The fourth proportional to 8,340.14, 11,496.05 and 5,650.54 is: 7,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.14 : 11,496.05 = 5,650.54 : x
  2. Step 2: Convert to fraction form
    8,340.14/11,496.05 = 5,650.54/x
  3. Step 3: Cross multiply
    8,340.14x = 11,496.05 × 5,650.54
  4. Step 4: Simplify right side
    8,340.14x = 64,958,890.37
  5. Step 5: Solve for x
    x = 64,958,890.37/8,340.14
  6. Step 6: Final answer
    x = 7,788.71

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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.