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Finding the Fourth Proportional to 17,611, 26,370.02 and 12,352.48

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Solution

The fourth proportional to 17,611, 26,370.02 and 12,352.48 is: 18,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611 : 26,370.02 = 12,352.48 : x
  2. Step 2: Convert to fraction form
    17,611/26,370.02 = 12,352.48/x
  3. Step 3: Cross multiply
    17,611x = 26,370.02 × 12,352.48
  4. Step 4: Simplify right side
    17,611x = 325,735,144.65
  5. Step 5: Solve for x
    x = 325,735,144.65/17,611
  6. Step 6: Final answer
    x = 18,496.12

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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.