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Finding the Fourth Proportional to 11,993.00, 17,996.78 and 11,001.56

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Solution

The fourth proportional to 11,993.00, 17,996.78 and 11,001.56 is: 16,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.00 : 17,996.78 = 11,001.56 : x
  2. Step 2: Convert to fraction form
    11,993.00/17,996.78 = 11,001.56/x
  3. Step 3: Cross multiply
    11,993.00x = 17,996.78 × 11,001.56
  4. Step 4: Simplify right side
    11,993.00x = 197,992,592.50
  5. Step 5: Solve for x
    x = 197,992,592.50/11,993.00
  6. Step 6: Final answer
    x = 16,509.02

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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.