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Finding the Fourth Proportional to 17,171.62, 25,747.97 and 5,322.11

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Solution

The fourth proportional to 17,171.62, 25,747.97 and 5,322.11 is: 7,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,171.62 : 25,747.97 = 5,322.11 : x
  2. Step 2: Convert to fraction form
    17,171.62/25,747.97 = 5,322.11/x
  3. Step 3: Cross multiply
    17,171.62x = 25,747.97 × 5,322.11
  4. Step 4: Simplify right side
    17,171.62x = 137,033,413.18
  5. Step 5: Solve for x
    x = 137,033,413.18/17,171.62
  6. Step 6: Final answer
    x = 7,980.23

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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.