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Finding the Fourth Proportional to 61,930.71, 92,897.82 and 15,183.54

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Solution

The fourth proportional to 61,930.71, 92,897.82 and 15,183.54 is: 22,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,930.71 : 92,897.82 = 15,183.54 : x
  2. Step 2: Convert to fraction form
    61,930.71/92,897.82 = 15,183.54/x
  3. Step 3: Cross multiply
    61,930.71x = 92,897.82 × 15,183.54
  4. Step 4: Simplify right side
    61,930.71x = 1,410,517,765.88
  5. Step 5: Solve for x
    x = 1,410,517,765.88/61,930.71
  6. Step 6: Final answer
    x = 22,775.74

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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.