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Finding the Fourth Proportional to 11,773.44, 17,645.13 and 5,519.68

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Solution

The fourth proportional to 11,773.44, 17,645.13 and 5,519.68 is: 8,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,773.44 : 17,645.13 = 5,519.68 : x
  2. Step 2: Convert to fraction form
    11,773.44/17,645.13 = 5,519.68/x
  3. Step 3: Cross multiply
    11,773.44x = 17,645.13 × 5,519.68
  4. Step 4: Simplify right side
    11,773.44x = 97,395,427.05
  5. Step 5: Solve for x
    x = 97,395,427.05/11,773.44
  6. Step 6: Final answer
    x = 8,272.47

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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.