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Finding the Fourth Proportional to 11,993.96, 16,554.48 and 8,016.68

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Solution

The fourth proportional to 11,993.96, 16,554.48 and 8,016.68 is: 11,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.96 : 16,554.48 = 8,016.68 : x
  2. Step 2: Convert to fraction form
    11,993.96/16,554.48 = 8,016.68/x
  3. Step 3: Cross multiply
    11,993.96x = 16,554.48 × 8,016.68
  4. Step 4: Simplify right side
    11,993.96x = 132,711,968.73
  5. Step 5: Solve for x
    x = 132,711,968.73/11,993.96
  6. Step 6: Final answer
    x = 11,064.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.