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Finding the Fourth Proportional to 5,927.74, 8,893.72 and 2,640.54

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Solution

The fourth proportional to 5,927.74, 8,893.72 and 2,640.54 is: 3,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.74 : 8,893.72 = 2,640.54 : x
  2. Step 2: Convert to fraction form
    5,927.74/8,893.72 = 2,640.54/x
  3. Step 3: Cross multiply
    5,927.74x = 8,893.72 × 2,640.54
  4. Step 4: Simplify right side
    5,927.74x = 23,484,223.41
  5. Step 5: Solve for x
    x = 23,484,223.41/5,927.74
  6. Step 6: Final answer
    x = 3,961.75

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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.