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Finding the Fourth Proportional to 12,323.05, 17,013.34 and 8,020.24

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Solution

The fourth proportional to 12,323.05, 17,013.34 and 8,020.24 is: 11,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.05 : 17,013.34 = 8,020.24 : x
  2. Step 2: Convert to fraction form
    12,323.05/17,013.34 = 8,020.24/x
  3. Step 3: Cross multiply
    12,323.05x = 17,013.34 × 8,020.24
  4. Step 4: Simplify right side
    12,323.05x = 136,451,133.19
  5. Step 5: Solve for x
    x = 136,451,133.19/12,323.05
  6. Step 6: Final answer
    x = 11,072.83

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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.