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Finding the Fourth Proportional to 11,993.00, 17,988.73 and 3,672.23

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Solution

The fourth proportional to 11,993.00, 17,988.73 and 3,672.23 is: 5,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.00 : 17,988.73 = 3,672.23 : x
  2. Step 2: Convert to fraction form
    11,993.00/17,988.73 = 3,672.23/x
  3. Step 3: Cross multiply
    11,993.00x = 17,988.73 × 3,672.23
  4. Step 4: Simplify right side
    11,993.00x = 66,058,654.84
  5. Step 5: Solve for x
    x = 66,058,654.84/11,993.00
  6. Step 6: Final answer
    x = 5,508.10

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1.5x scale

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.