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Finding the Fourth Proportional to 28,967.45, 43,441.94 and 9,241.44

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Solution

The fourth proportional to 28,967.45, 43,441.94 and 9,241.44 is: 13,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,967.45 : 43,441.94 = 9,241.44 : x
  2. Step 2: Convert to fraction form
    28,967.45/43,441.94 = 9,241.44/x
  3. Step 3: Cross multiply
    28,967.45x = 43,441.94 × 9,241.44
  4. Step 4: Simplify right side
    28,967.45x = 401,466,035.79
  5. Step 5: Solve for x
    x = 401,466,035.79/28,967.45
  6. Step 6: Final answer
    x = 13,859.21

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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.