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Finding the Fourth Proportional to 8,266.46, 12,402.09 and 3,333.56

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Solution

The fourth proportional to 8,266.46, 12,402.09 and 3,333.56 is: 5,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.46 : 12,402.09 = 3,333.56 : x
  2. Step 2: Convert to fraction form
    8,266.46/12,402.09 = 3,333.56/x
  3. Step 3: Cross multiply
    8,266.46x = 12,402.09 × 3,333.56
  4. Step 4: Simplify right side
    8,266.46x = 41,343,111.14
  5. Step 5: Solve for x
    x = 41,343,111.14/8,266.46
  6. Step 6: Final answer
    x = 5,001.31

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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.