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Finding the Fourth Proportional to 2,969.53, 4,454.25 and 889.54

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Solution

The fourth proportional to 2,969.53, 4,454.25 and 889.54 is: 1,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.53 : 4,454.25 = 889.54 : x
  2. Step 2: Convert to fraction form
    2,969.53/4,454.25 = 889.54/x
  3. Step 3: Cross multiply
    2,969.53x = 4,454.25 × 889.54
  4. Step 4: Simplify right side
    2,969.53x = 3,962,233.55
  5. Step 5: Solve for x
    x = 3,962,233.55/2,969.53
  6. Step 6: Final answer
    x = 1,334.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.