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Finding the Fourth Proportional to 8,592.24, 12,889.98 and 2,747.28

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Solution

The fourth proportional to 8,592.24, 12,889.98 and 2,747.28 is: 4,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.24 : 12,889.98 = 2,747.28 : x
  2. Step 2: Convert to fraction form
    8,592.24/12,889.98 = 2,747.28/x
  3. Step 3: Cross multiply
    8,592.24x = 12,889.98 × 2,747.28
  4. Step 4: Simplify right side
    8,592.24x = 35,412,384.25
  5. Step 5: Solve for x
    x = 35,412,384.25/8,592.24
  6. Step 6: Final answer
    x = 4,121.44

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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.