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Finding the Fourth Proportional to 1,629.75, 2,250.89 and 1,104.87

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Solution

The fourth proportional to 1,629.75, 2,250.89 and 1,104.87 is: 1,525.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.75 : 2,250.89 = 1,104.87 : x
  2. Step 2: Convert to fraction form
    1,629.75/2,250.89 = 1,104.87/x
  3. Step 3: Cross multiply
    1,629.75x = 2,250.89 × 1,104.87
  4. Step 4: Simplify right side
    1,629.75x = 2,486,935.31
  5. Step 5: Solve for x
    x = 2,486,935.31/1,629.75
  6. Step 6: Final answer
    x = 1,525.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.