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Finding the Fourth Proportional to 17,930.84, 26,896.01 and 8,063.15

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Solution

The fourth proportional to 17,930.84, 26,896.01 and 8,063.15 is: 12,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.84 : 26,896.01 = 8,063.15 : x
  2. Step 2: Convert to fraction form
    17,930.84/26,896.01 = 8,063.15/x
  3. Step 3: Cross multiply
    17,930.84x = 26,896.01 × 8,063.15
  4. Step 4: Simplify right side
    17,930.84x = 216,866,388.24
  5. Step 5: Solve for x
    x = 216,866,388.24/17,930.84
  6. Step 6: Final answer
    x = 12,094.61

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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.