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Finding the Fourth Proportional to 11,751.37, 17,627.11 and 3,960.25

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Solution

The fourth proportional to 11,751.37, 17,627.11 and 3,960.25 is: 5,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.37 : 17,627.11 = 3,960.25 : x
  2. Step 2: Convert to fraction form
    11,751.37/17,627.11 = 3,960.25/x
  3. Step 3: Cross multiply
    11,751.37x = 17,627.11 × 3,960.25
  4. Step 4: Simplify right side
    11,751.37x = 69,807,664.34
  5. Step 5: Solve for x
    x = 69,807,664.34/11,751.37
  6. Step 6: Final answer
    x = 5,940.39

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1.5x scale

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.