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Finding the Fourth Proportional to 17,958.70, 26,936.02 and 6,865.14

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Solution

The fourth proportional to 17,958.70, 26,936.02 and 6,865.14 is: 10,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.70 : 26,936.02 = 6,865.14 : x
  2. Step 2: Convert to fraction form
    17,958.70/26,936.02 = 6,865.14/x
  3. Step 3: Cross multiply
    17,958.70x = 26,936.02 × 6,865.14
  4. Step 4: Simplify right side
    17,958.70x = 184,919,548.34
  5. Step 5: Solve for x
    x = 184,919,548.34/17,958.70
  6. Step 6: Final answer
    x = 10,296.93

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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.