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Finding the Fourth Proportional to 11,554.94, 17,336.12 and 8,012

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Solution

The fourth proportional to 11,554.94, 17,336.12 and 8,012 is: 12,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.94 : 17,336.12 = 8,012 : x
  2. Step 2: Convert to fraction form
    11,554.94/17,336.12 = 8,012/x
  3. Step 3: Cross multiply
    11,554.94x = 17,336.12 × 8,012
  4. Step 4: Simplify right side
    11,554.94x = 138,896,993.44
  5. Step 5: Solve for x
    x = 138,896,993.44/11,554.94
  6. Step 6: Final answer
    x = 12,020.57

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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.