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Finding the Fourth Proportional to 12,601.72, 18,901.14 and 3,367

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Solution

The fourth proportional to 12,601.72, 18,901.14 and 3,367 is: 5,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.72 : 18,901.14 = 3,367 : x
  2. Step 2: Convert to fraction form
    12,601.72/18,901.14 = 3,367/x
  3. Step 3: Cross multiply
    12,601.72x = 18,901.14 × 3,367
  4. Step 4: Simplify right side
    12,601.72x = 63,640,138.38
  5. Step 5: Solve for x
    x = 63,640,138.38/12,601.72
  6. Step 6: Final answer
    x = 5,050.12

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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.