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Finding the Fourth Proportional to 11,999.38, 17,977.17 and 8,844.64

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Solution

The fourth proportional to 11,999.38, 17,977.17 and 8,844.64 is: 13,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.38 : 17,977.17 = 8,844.64 : x
  2. Step 2: Convert to fraction form
    11,999.38/17,977.17 = 8,844.64/x
  3. Step 3: Cross multiply
    11,999.38x = 17,977.17 × 8,844.64
  4. Step 4: Simplify right side
    11,999.38x = 159,001,596.87
  5. Step 5: Solve for x
    x = 159,001,596.87/11,999.38
  6. Step 6: Final answer
    x = 13,250.82

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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.