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Finding the Fourth Proportional to 8,023.21, 11,072.07 and 4,486.36

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Solution

The fourth proportional to 8,023.21, 11,072.07 and 4,486.36 is: 6,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,023.21 : 11,072.07 = 4,486.36 : x
  2. Step 2: Convert to fraction form
    8,023.21/11,072.07 = 4,486.36/x
  3. Step 3: Cross multiply
    8,023.21x = 11,072.07 × 4,486.36
  4. Step 4: Simplify right side
    8,023.21x = 49,673,291.97
  5. Step 5: Solve for x
    x = 49,673,291.97/8,023.21
  6. Step 6: Final answer
    x = 6,191.20

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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.