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Finding the Fourth Proportional to 61,093.76, 91,576.64 and 25,575.44

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Solution

The fourth proportional to 61,093.76, 91,576.64 and 25,575.44 is: 38,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,093.76 : 91,576.64 = 25,575.44 : x
  2. Step 2: Convert to fraction form
    61,093.76/91,576.64 = 25,575.44/x
  3. Step 3: Cross multiply
    61,093.76x = 91,576.64 × 25,575.44
  4. Step 4: Simplify right side
    61,093.76x = 2,342,112,861.72
  5. Step 5: Solve for x
    x = 2,342,112,861.72/61,093.76
  6. Step 6: Final answer
    x = 38,336.37

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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.