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Finding the Fourth Proportional to 8,005.21, 11,977.73 and 5,544.83

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Solution

The fourth proportional to 8,005.21, 11,977.73 and 5,544.83 is: 8,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.21 : 11,977.73 = 5,544.83 : x
  2. Step 2: Convert to fraction form
    8,005.21/11,977.73 = 5,544.83/x
  3. Step 3: Cross multiply
    8,005.21x = 11,977.73 × 5,544.83
  4. Step 4: Simplify right side
    8,005.21x = 66,414,476.64
  5. Step 5: Solve for x
    x = 66,414,476.64/8,005.21
  6. Step 6: Final answer
    x = 8,296.41

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1.5x scale

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.