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Finding the Fourth Proportional to 5,672.50, 8,510.19 and 2,163.94

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Solution

The fourth proportional to 5,672.50, 8,510.19 and 2,163.94 is: 3,246.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.50 : 8,510.19 = 2,163.94 : x
  2. Step 2: Convert to fraction form
    5,672.50/8,510.19 = 2,163.94/x
  3. Step 3: Cross multiply
    5,672.50x = 8,510.19 × 2,163.94
  4. Step 4: Simplify right side
    5,672.50x = 18,415,540.55
  5. Step 5: Solve for x
    x = 18,415,540.55/5,672.50
  6. Step 6: Final answer
    x = 3,246.46

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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.