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Finding the Fourth Proportional to 12,004.44, 17,997.48 and 9,917.88

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Solution

The fourth proportional to 12,004.44, 17,997.48 and 9,917.88 is: 14,869.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.44 : 17,997.48 = 9,917.88 : x
  2. Step 2: Convert to fraction form
    12,004.44/17,997.48 = 9,917.88/x
  3. Step 3: Cross multiply
    12,004.44x = 17,997.48 × 9,917.88
  4. Step 4: Simplify right side
    12,004.44x = 178,496,846.94
  5. Step 5: Solve for x
    x = 178,496,846.94/12,004.44
  6. Step 6: Final answer
    x = 14,869.24

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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.