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Finding the Fourth Proportional to 6,147.55, 8,483.33 and 3,761.49

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Solution

The fourth proportional to 6,147.55, 8,483.33 and 3,761.49 is: 5,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.55 : 8,483.33 = 3,761.49 : x
  2. Step 2: Convert to fraction form
    6,147.55/8,483.33 = 3,761.49/x
  3. Step 3: Cross multiply
    6,147.55x = 8,483.33 × 3,761.49
  4. Step 4: Simplify right side
    6,147.55x = 31,909,960.96
  5. Step 5: Solve for x
    x = 31,909,960.96/6,147.55
  6. Step 6: Final answer
    x = 5,190.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.