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Finding the Fourth Proportional to 17,896.84, 26,844.54 and 6,212.68

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Solution

The fourth proportional to 17,896.84, 26,844.54 and 6,212.68 is: 9,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,896.84 : 26,844.54 = 6,212.68 : x
  2. Step 2: Convert to fraction form
    17,896.84/26,844.54 = 6,212.68/x
  3. Step 3: Cross multiply
    17,896.84x = 26,844.54 × 6,212.68
  4. Step 4: Simplify right side
    17,896.84x = 166,776,536.77
  5. Step 5: Solve for x
    x = 166,776,536.77/17,896.84
  6. Step 6: Final answer
    x = 9,318.77

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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.