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Finding the Fourth Proportional to 6,468.67, 8,917.72 and 5,469.94

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Solution

The fourth proportional to 6,468.67, 8,917.72 and 5,469.94 is: 7,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468.67 : 8,917.72 = 5,469.94 : x
  2. Step 2: Convert to fraction form
    6,468.67/8,917.72 = 5,469.94/x
  3. Step 3: Cross multiply
    6,468.67x = 8,917.72 × 5,469.94
  4. Step 4: Simplify right side
    6,468.67x = 48,779,393.34
  5. Step 5: Solve for x
    x = 48,779,393.34/6,468.67
  6. Step 6: Final answer
    x = 7,540.87

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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.