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Finding the Fourth Proportional to 8,001.69, 11,031.59 and 5,608.44

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Solution

The fourth proportional to 8,001.69, 11,031.59 and 5,608.44 is: 7,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.69 : 11,031.59 = 5,608.44 : x
  2. Step 2: Convert to fraction form
    8,001.69/11,031.59 = 5,608.44/x
  3. Step 3: Cross multiply
    8,001.69x = 11,031.59 × 5,608.44
  4. Step 4: Simplify right side
    8,001.69x = 61,870,024.64
  5. Step 5: Solve for x
    x = 61,870,024.64/8,001.69
  6. Step 6: Final answer
    x = 7,732.12

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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.