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Finding the Fourth Proportional to 17,653.62, 26,489.44 and 11,734.54

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Solution

The fourth proportional to 17,653.62, 26,489.44 and 11,734.54 is: 17,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,653.62 : 26,489.44 = 11,734.54 : x
  2. Step 2: Convert to fraction form
    17,653.62/26,489.44 = 11,734.54/x
  3. Step 3: Cross multiply
    17,653.62x = 26,489.44 × 11,734.54
  4. Step 4: Simplify right side
    17,653.62x = 310,841,293.14
  5. Step 5: Solve for x
    x = 310,841,293.14/17,653.62
  6. Step 6: Final answer
    x = 17,607.80

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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.