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Finding the Fourth Proportional to 11,999.63, 17,997.61 and 4,607.57

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Solution

The fourth proportional to 11,999.63, 17,997.61 and 4,607.57 is: 6,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.63 : 17,997.61 = 4,607.57 : x
  2. Step 2: Convert to fraction form
    11,999.63/17,997.61 = 4,607.57/x
  3. Step 3: Cross multiply
    11,999.63x = 17,997.61 × 4,607.57
  4. Step 4: Simplify right side
    11,999.63x = 82,925,169.44
  5. Step 5: Solve for x
    x = 82,925,169.44/11,999.63
  6. Step 6: Final answer
    x = 6,910.65

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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.