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Finding the Fourth Proportional to 2,891.94, 4,339.26 and 1,504.55

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Solution

The fourth proportional to 2,891.94, 4,339.26 and 1,504.55 is: 2,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.94 : 4,339.26 = 1,504.55 : x
  2. Step 2: Convert to fraction form
    2,891.94/4,339.26 = 1,504.55/x
  3. Step 3: Cross multiply
    2,891.94x = 4,339.26 × 1,504.55
  4. Step 4: Simplify right side
    2,891.94x = 6,528,611.94
  5. Step 5: Solve for x
    x = 6,528,611.94/2,891.94
  6. Step 6: Final answer
    x = 2,257.52

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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.