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Finding the Fourth Proportional to 6,147, 9,220.41 and 2,858.25

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Solution

The fourth proportional to 6,147, 9,220.41 and 2,858.25 is: 4,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147 : 9,220.41 = 2,858.25 : x
  2. Step 2: Convert to fraction form
    6,147/9,220.41 = 2,858.25/x
  3. Step 3: Cross multiply
    6,147x = 9,220.41 × 2,858.25
  4. Step 4: Simplify right side
    6,147x = 26,354,236.88
  5. Step 5: Solve for x
    x = 26,354,236.88/6,147
  6. Step 6: Final answer
    x = 4,287.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.