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Finding the Fourth Proportional to 10,974, 15,144.12 and 6,006

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Solution

The fourth proportional to 10,974, 15,144.12 and 6,006 is: 8,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974 : 15,144.12 = 6,006 : x
  2. Step 2: Convert to fraction form
    10,974/15,144.12 = 6,006/x
  3. Step 3: Cross multiply
    10,974x = 15,144.12 × 6,006
  4. Step 4: Simplify right side
    10,974x = 90,955,584.72
  5. Step 5: Solve for x
    x = 90,955,584.72/10,974
  6. Step 6: Final answer
    x = 8,288.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.