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Finding the Fourth Proportional to 2,766.70, 4,148.76 and 1,467.82

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Solution

The fourth proportional to 2,766.70, 4,148.76 and 1,467.82 is: 2,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.70 : 4,148.76 = 1,467.82 : x
  2. Step 2: Convert to fraction form
    2,766.70/4,148.76 = 1,467.82/x
  3. Step 3: Cross multiply
    2,766.70x = 4,148.76 × 1,467.82
  4. Step 4: Simplify right side
    2,766.70x = 6,089,632.90
  5. Step 5: Solve for x
    x = 6,089,632.90/2,766.70
  6. Step 6: Final answer
    x = 2,201.05

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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.