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Finding the Fourth Proportional to 17,994.76, 26,993.22 and 7,603

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Solution

The fourth proportional to 17,994.76, 26,993.22 and 7,603 is: 11,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,994.76 : 26,993.22 = 7,603 : x
  2. Step 2: Convert to fraction form
    17,994.76/26,993.22 = 7,603/x
  3. Step 3: Cross multiply
    17,994.76x = 26,993.22 × 7,603
  4. Step 4: Simplify right side
    17,994.76x = 205,229,451.66
  5. Step 5: Solve for x
    x = 205,229,451.66/17,994.76
  6. Step 6: Final answer
    x = 11,404.96

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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.