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Finding the Fourth Proportional to 6,162.47, 9,239.60 and 3,390.44

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Solution

The fourth proportional to 6,162.47, 9,239.60 and 3,390.44 is: 5,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,162.47 : 9,239.60 = 3,390.44 : x
  2. Step 2: Convert to fraction form
    6,162.47/9,239.60 = 3,390.44/x
  3. Step 3: Cross multiply
    6,162.47x = 9,239.60 × 3,390.44
  4. Step 4: Simplify right side
    6,162.47x = 31,326,246.27
  5. Step 5: Solve for x
    x = 31,326,246.27/6,162.47
  6. Step 6: Final answer
    x = 5,083.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.