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Finding the Fourth Proportional to 4,003.88, 5,999.07 and 2,615.18

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Solution

The fourth proportional to 4,003.88, 5,999.07 and 2,615.18 is: 3,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.88 : 5,999.07 = 2,615.18 : x
  2. Step 2: Convert to fraction form
    4,003.88/5,999.07 = 2,615.18/x
  3. Step 3: Cross multiply
    4,003.88x = 5,999.07 × 2,615.18
  4. Step 4: Simplify right side
    4,003.88x = 15,688,647.88
  5. Step 5: Solve for x
    x = 15,688,647.88/4,003.88
  6. Step 6: Final answer
    x = 3,918.36

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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.