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Finding the Fourth Proportional to 3,651.94, 5,475.21 and 2,651.41

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Solution

The fourth proportional to 3,651.94, 5,475.21 and 2,651.41 is: 3,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.94 : 5,475.21 = 2,651.41 : x
  2. Step 2: Convert to fraction form
    3,651.94/5,475.21 = 2,651.41/x
  3. Step 3: Cross multiply
    3,651.94x = 5,475.21 × 2,651.41
  4. Step 4: Simplify right side
    3,651.94x = 14,517,026.55
  5. Step 5: Solve for x
    x = 14,517,026.55/3,651.94
  6. Step 6: Final answer
    x = 3,975.15

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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.