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Finding the Fourth Proportional to 63,604.64, 95,408.46 and 19,231.22

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Solution

The fourth proportional to 63,604.64, 95,408.46 and 19,231.22 is: 28,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,604.64 : 95,408.46 = 19,231.22 : x
  2. Step 2: Convert to fraction form
    63,604.64/95,408.46 = 19,231.22/x
  3. Step 3: Cross multiply
    63,604.64x = 95,408.46 × 19,231.22
  4. Step 4: Simplify right side
    63,604.64x = 1,834,820,607.08
  5. Step 5: Solve for x
    x = 1,834,820,607.08/63,604.64
  6. Step 6: Final answer
    x = 28,847.28

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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.