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Finding the Fourth Proportional to 17,990.73, 26,998.09 and 6,303.96

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Solution

The fourth proportional to 17,990.73, 26,998.09 and 6,303.96 is: 9,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.73 : 26,998.09 = 6,303.96 : x
  2. Step 2: Convert to fraction form
    17,990.73/26,998.09 = 6,303.96/x
  3. Step 3: Cross multiply
    17,990.73x = 26,998.09 × 6,303.96
  4. Step 4: Simplify right side
    17,990.73x = 170,194,863.68
  5. Step 5: Solve for x
    x = 170,194,863.68/17,990.73
  6. Step 6: Final answer
    x = 9,460.14

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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.