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Finding the Fourth Proportional to 6,091.22, 8,405.41 and 3,438.89

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Solution

The fourth proportional to 6,091.22, 8,405.41 and 3,438.89 is: 4,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091.22 : 8,405.41 = 3,438.89 : x
  2. Step 2: Convert to fraction form
    6,091.22/8,405.41 = 3,438.89/x
  3. Step 3: Cross multiply
    6,091.22x = 8,405.41 × 3,438.89
  4. Step 4: Simplify right side
    6,091.22x = 28,905,229.77
  5. Step 5: Solve for x
    x = 28,905,229.77/6,091.22
  6. Step 6: Final answer
    x = 4,745.40

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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.