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Finding the Fourth Proportional to 41,269.78, 61,915.14 and 19,099.12

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Solution

The fourth proportional to 41,269.78, 61,915.14 and 19,099.12 is: 28,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,269.78 : 61,915.14 = 19,099.12 : x
  2. Step 2: Convert to fraction form
    41,269.78/61,915.14 = 19,099.12/x
  3. Step 3: Cross multiply
    41,269.78x = 61,915.14 × 19,099.12
  4. Step 4: Simplify right side
    41,269.78x = 1,182,524,688.68
  5. Step 5: Solve for x
    x = 1,182,524,688.68/41,269.78
  6. Step 6: Final answer
    x = 28,653.53

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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.