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Finding the Fourth Proportional to 17,093.76, 25,637.38 and 7,239.95

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Solution

The fourth proportional to 17,093.76, 25,637.38 and 7,239.95 is: 10,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,093.76 : 25,637.38 = 7,239.95 : x
  2. Step 2: Convert to fraction form
    17,093.76/25,637.38 = 7,239.95/x
  3. Step 3: Cross multiply
    17,093.76x = 25,637.38 × 7,239.95
  4. Step 4: Simplify right side
    17,093.76x = 185,613,349.33
  5. Step 5: Solve for x
    x = 185,613,349.33/17,093.76
  6. Step 6: Final answer
    x = 10,858.54

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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.