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Finding the Fourth Proportional to 7,293.58, 10,939.84 and 2,850.41

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Solution

The fourth proportional to 7,293.58, 10,939.84 and 2,850.41 is: 4,275.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.58 : 10,939.84 = 2,850.41 : x
  2. Step 2: Convert to fraction form
    7,293.58/10,939.84 = 2,850.41/x
  3. Step 3: Cross multiply
    7,293.58x = 10,939.84 × 2,850.41
  4. Step 4: Simplify right side
    7,293.58x = 31,183,029.33
  5. Step 5: Solve for x
    x = 31,183,029.33/7,293.58
  6. Step 6: Final answer
    x = 4,275.41

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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.