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Finding the Fourth Proportional to 61,840.70, 92,761.27 and 15,093.57

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Solution

The fourth proportional to 61,840.70, 92,761.27 and 15,093.57 is: 22,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,840.70 : 92,761.27 = 15,093.57 : x
  2. Step 2: Convert to fraction form
    61,840.70/92,761.27 = 15,093.57/x
  3. Step 3: Cross multiply
    61,840.70x = 92,761.27 × 15,093.57
  4. Step 4: Simplify right side
    61,840.70x = 1,400,099,032.15
  5. Step 5: Solve for x
    x = 1,400,099,032.15/61,840.70
  6. Step 6: Final answer
    x = 22,640.41

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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.