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Finding the Fourth Proportional to 6,109.50, 8,431.13 and 3,751.62

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Solution

The fourth proportional to 6,109.50, 8,431.13 and 3,751.62 is: 5,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.50 : 8,431.13 = 3,751.62 : x
  2. Step 2: Convert to fraction form
    6,109.50/8,431.13 = 3,751.62/x
  3. Step 3: Cross multiply
    6,109.50x = 8,431.13 × 3,751.62
  4. Step 4: Simplify right side
    6,109.50x = 31,630,395.93
  5. Step 5: Solve for x
    x = 31,630,395.93/6,109.50
  6. Step 6: Final answer
    x = 5,177.25

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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.