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Finding the Fourth Proportional to 17,593.28, 26,398.56 and 7,208

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Solution

The fourth proportional to 17,593.28, 26,398.56 and 7,208 is: 10,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,593.28 : 26,398.56 = 7,208 : x
  2. Step 2: Convert to fraction form
    17,593.28/26,398.56 = 7,208/x
  3. Step 3: Cross multiply
    17,593.28x = 26,398.56 × 7,208
  4. Step 4: Simplify right side
    17,593.28x = 190,280,820.48
  5. Step 5: Solve for x
    x = 190,280,820.48/17,593.28
  6. Step 6: Final answer
    x = 10,815.54

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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.