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Finding the Fourth Proportional to 100,408.44, 150,516.94 and 33,814.30

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Solution

The fourth proportional to 100,408.44, 150,516.94 and 33,814.30 is: 50,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,408.44 : 150,516.94 = 33,814.30 : x
  2. Step 2: Convert to fraction form
    100,408.44/150,516.94 = 33,814.30/x
  3. Step 3: Cross multiply
    100,408.44x = 150,516.94 × 33,814.30
  4. Step 4: Simplify right side
    100,408.44x = 5,089,624,964.24
  5. Step 5: Solve for x
    x = 5,089,624,964.24/100,408.44
  6. Step 6: Final answer
    x = 50,689.21

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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.