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Finding the Fourth Proportional to 11,718.48, 17,554.48 and 6,163.44

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Solution

The fourth proportional to 11,718.48, 17,554.48 and 6,163.44 is: 9,232.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.48 : 17,554.48 = 6,163.44 : x
  2. Step 2: Convert to fraction form
    11,718.48/17,554.48 = 6,163.44/x
  3. Step 3: Cross multiply
    11,718.48x = 17,554.48 × 6,163.44
  4. Step 4: Simplify right side
    11,718.48x = 108,195,984.21
  5. Step 5: Solve for x
    x = 108,195,984.21/11,718.48
  6. Step 6: Final answer
    x = 9,232.94

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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.