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Finding the Fourth Proportional to 11,994, 17,993.67 and 3,675.18

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Solution

The fourth proportional to 11,994, 17,993.67 and 3,675.18 is: 5,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994 : 17,993.67 = 3,675.18 : x
  2. Step 2: Convert to fraction form
    11,994/17,993.67 = 3,675.18/x
  3. Step 3: Cross multiply
    11,994x = 17,993.67 × 3,675.18
  4. Step 4: Simplify right side
    11,994x = 66,129,976.11
  5. Step 5: Solve for x
    x = 66,129,976.11/11,994
  6. Step 6: Final answer
    x = 5,513.59

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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.