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Finding the Fourth Proportional to 3,254.54, 4,880.94 and 914.41

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Solution

The fourth proportional to 3,254.54, 4,880.94 and 914.41 is: 1,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.54 : 4,880.94 = 914.41 : x
  2. Step 2: Convert to fraction form
    3,254.54/4,880.94 = 914.41/x
  3. Step 3: Cross multiply
    3,254.54x = 4,880.94 × 914.41
  4. Step 4: Simplify right side
    3,254.54x = 4,463,180.35
  5. Step 5: Solve for x
    x = 4,463,180.35/3,254.54
  6. Step 6: Final answer
    x = 1,371.37

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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.