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Finding the Fourth Proportional to 17,273.68, 23,837.16 and 9,720.43

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Solution

The fourth proportional to 17,273.68, 23,837.16 and 9,720.43 is: 13,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,273.68 : 23,837.16 = 9,720.43 : x
  2. Step 2: Convert to fraction form
    17,273.68/23,837.16 = 9,720.43/x
  3. Step 3: Cross multiply
    17,273.68x = 23,837.16 × 9,720.43
  4. Step 4: Simplify right side
    17,273.68x = 231,707,445.18
  5. Step 5: Solve for x
    x = 231,707,445.18/17,273.68
  6. Step 6: Final answer
    x = 13,413.90

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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.