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Finding the Fourth Proportional to 11,262.70, 16,895.22 and 3,472.12

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Solution

The fourth proportional to 11,262.70, 16,895.22 and 3,472.12 is: 5,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.70 : 16,895.22 = 3,472.12 : x
  2. Step 2: Convert to fraction form
    11,262.70/16,895.22 = 3,472.12/x
  3. Step 3: Cross multiply
    11,262.70x = 16,895.22 × 3,472.12
  4. Step 4: Simplify right side
    11,262.70x = 58,662,231.27
  5. Step 5: Solve for x
    x = 58,662,231.27/11,262.70
  6. Step 6: Final answer
    x = 5,208.54

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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.