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Finding the Fourth Proportional to 2,509.44, 3,762 and 969.60

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Solution

The fourth proportional to 2,509.44, 3,762 and 969.60 is: 1,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.44 : 3,762 = 969.60 : x
  2. Step 2: Convert to fraction form
    2,509.44/3,762 = 969.60/x
  3. Step 3: Cross multiply
    2,509.44x = 3,762 × 969.60
  4. Step 4: Simplify right side
    2,509.44x = 3,647,635.20
  5. Step 5: Solve for x
    x = 3,647,635.20/2,509.44
  6. Step 6: Final answer
    x = 1,453.57

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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.