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Finding the Fourth Proportional to 29,241.80, 43,865.46 and 8,181.84

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Solution

The fourth proportional to 29,241.80, 43,865.46 and 8,181.84 is: 12,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,241.80 : 43,865.46 = 8,181.84 : x
  2. Step 2: Convert to fraction form
    29,241.80/43,865.46 = 8,181.84/x
  3. Step 3: Cross multiply
    29,241.80x = 43,865.46 × 8,181.84
  4. Step 4: Simplify right side
    29,241.80x = 358,900,175.25
  5. Step 5: Solve for x
    x = 358,900,175.25/29,241.80
  6. Step 6: Final answer
    x = 12,273.53

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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.