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Finding the Fourth Proportional to 8,588.73, 11,850.03 and 5,231.64

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Solution

The fourth proportional to 8,588.73, 11,850.03 and 5,231.64 is: 7,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.73 : 11,850.03 = 5,231.64 : x
  2. Step 2: Convert to fraction form
    8,588.73/11,850.03 = 5,231.64/x
  3. Step 3: Cross multiply
    8,588.73x = 11,850.03 × 5,231.64
  4. Step 4: Simplify right side
    8,588.73x = 61,995,090.95
  5. Step 5: Solve for x
    x = 61,995,090.95/8,588.73
  6. Step 6: Final answer
    x = 7,218.19

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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.