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Finding the Fourth Proportional to 17,164.78, 25,738.93 and 7,298.71

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Solution

The fourth proportional to 17,164.78, 25,738.93 and 7,298.71 is: 10,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,164.78 : 25,738.93 = 7,298.71 : x
  2. Step 2: Convert to fraction form
    17,164.78/25,738.93 = 7,298.71/x
  3. Step 3: Cross multiply
    17,164.78x = 25,738.93 × 7,298.71
  4. Step 4: Simplify right side
    17,164.78x = 187,860,985.78
  5. Step 5: Solve for x
    x = 187,860,985.78/17,164.78
  6. Step 6: Final answer
    x = 10,944.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.