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Finding the Fourth Proportional to 11,843.37, 17,771.04 and 6,578.55

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Solution

The fourth proportional to 11,843.37, 17,771.04 and 6,578.55 is: 9,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.37 : 17,771.04 = 6,578.55 : x
  2. Step 2: Convert to fraction form
    11,843.37/17,771.04 = 6,578.55/x
  3. Step 3: Cross multiply
    11,843.37x = 17,771.04 × 6,578.55
  4. Step 4: Simplify right side
    11,843.37x = 116,907,675.19
  5. Step 5: Solve for x
    x = 116,907,675.19/11,843.37
  6. Step 6: Final answer
    x = 9,871.15

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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.