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Finding the Fourth Proportional to 6,167.12, 8,567.67 and 6,109.47

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Solution

The fourth proportional to 6,167.12, 8,567.67 and 6,109.47 is: 8,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,167.12 : 8,567.67 = 6,109.47 : x
  2. Step 2: Convert to fraction form
    6,167.12/8,567.67 = 6,109.47/x
  3. Step 3: Cross multiply
    6,167.12x = 8,567.67 × 6,109.47
  4. Step 4: Simplify right side
    6,167.12x = 52,343,922.83
  5. Step 5: Solve for x
    x = 52,343,922.83/6,167.12
  6. Step 6: Final answer
    x = 8,487.59

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.