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Finding the Fourth Proportional to 11,999.35, 17,998.98 and 9,230.95

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Solution

The fourth proportional to 11,999.35, 17,998.98 and 9,230.95 is: 13,846.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.35 : 17,998.98 = 9,230.95 : x
  2. Step 2: Convert to fraction form
    11,999.35/17,998.98 = 9,230.95/x
  3. Step 3: Cross multiply
    11,999.35x = 17,998.98 × 9,230.95
  4. Step 4: Simplify right side
    11,999.35x = 166,147,684.43
  5. Step 5: Solve for x
    x = 166,147,684.43/11,999.35
  6. Step 6: Final answer
    x = 13,846.39

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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.