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Finding the Fourth Proportional to 62,622.88, 93,936 and 15,879.40

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Solution

The fourth proportional to 62,622.88, 93,936 and 15,879.40 is: 23,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,622.88 : 93,936 = 15,879.40 : x
  2. Step 2: Convert to fraction form
    62,622.88/93,936 = 15,879.40/x
  3. Step 3: Cross multiply
    62,622.88x = 93,936 × 15,879.40
  4. Step 4: Simplify right side
    62,622.88x = 1,491,647,318.40
  5. Step 5: Solve for x
    x = 1,491,647,318.40/62,622.88
  6. Step 6: Final answer
    x = 23,819.53

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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.