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Finding the Fourth Proportional to 40,944.04, 61,416.04 and 11,361.88

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Solution

The fourth proportional to 40,944.04, 61,416.04 and 11,361.88 is: 17,042.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,944.04 : 61,416.04 = 11,361.88 : x
  2. Step 2: Convert to fraction form
    40,944.04/61,416.04 = 11,361.88/x
  3. Step 3: Cross multiply
    40,944.04x = 61,416.04 × 11,361.88
  4. Step 4: Simplify right side
    40,944.04x = 697,801,676.56
  5. Step 5: Solve for x
    x = 697,801,676.56/40,944.04
  6. Step 6: Final answer
    x = 17,042.81

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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.