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Finding the Fourth Proportional to 17,273.62, 23,837.70 and 9,720.08

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Solution

The fourth proportional to 17,273.62, 23,837.70 and 9,720.08 is: 13,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,273.62 : 23,837.70 = 9,720.08 : x
  2. Step 2: Convert to fraction form
    17,273.62/23,837.70 = 9,720.08/x
  3. Step 3: Cross multiply
    17,273.62x = 23,837.70 × 9,720.08
  4. Step 4: Simplify right side
    17,273.62x = 231,704,321.22
  5. Step 5: Solve for x
    x = 231,704,321.22/17,273.62
  6. Step 6: Final answer
    x = 13,413.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.