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Finding the Fourth Proportional to 5,661.66, 8,489.24 and 2,371.98

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Solution

The fourth proportional to 5,661.66, 8,489.24 and 2,371.98 is: 3,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.66 : 8,489.24 = 2,371.98 : x
  2. Step 2: Convert to fraction form
    5,661.66/8,489.24 = 2,371.98/x
  3. Step 3: Cross multiply
    5,661.66x = 8,489.24 × 2,371.98
  4. Step 4: Simplify right side
    5,661.66x = 20,136,270.98
  5. Step 5: Solve for x
    x = 20,136,270.98/5,661.66
  6. Step 6: Final answer
    x = 3,556.61

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Why These Related Problems?

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