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Finding the Fourth Proportional to 2,672.66, 4,004.86 and 1,852.54

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Solution

The fourth proportional to 2,672.66, 4,004.86 and 1,852.54 is: 2,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.66 : 4,004.86 = 1,852.54 : x
  2. Step 2: Convert to fraction form
    2,672.66/4,004.86 = 1,852.54/x
  3. Step 3: Cross multiply
    2,672.66x = 4,004.86 × 1,852.54
  4. Step 4: Simplify right side
    2,672.66x = 7,419,163.34
  5. Step 5: Solve for x
    x = 7,419,163.34/2,672.66
  6. Step 6: Final answer
    x = 2,775.95

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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.