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Finding the Fourth Proportional to 2,672.07, 4,012.60 and 2,232.87

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Solution

The fourth proportional to 2,672.07, 4,012.60 and 2,232.87 is: 3,353.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.07 : 4,012.60 = 2,232.87 : x
  2. Step 2: Convert to fraction form
    2,672.07/4,012.60 = 2,232.87/x
  3. Step 3: Cross multiply
    2,672.07x = 4,012.60 × 2,232.87
  4. Step 4: Simplify right side
    2,672.07x = 8,959,594.10
  5. Step 5: Solve for x
    x = 8,959,594.10/2,672.07
  6. Step 6: Final answer
    x = 3,353.06

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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.