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Finding the Fourth Proportional to 2,054.85, 3,082.26 and 958.60

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Solution

The fourth proportional to 2,054.85, 3,082.26 and 958.60 is: 1,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.85 : 3,082.26 = 958.60 : x
  2. Step 2: Convert to fraction form
    2,054.85/3,082.26 = 958.60/x
  3. Step 3: Cross multiply
    2,054.85x = 3,082.26 × 958.60
  4. Step 4: Simplify right side
    2,054.85x = 2,954,654.44
  5. Step 5: Solve for x
    x = 2,954,654.44/2,054.85
  6. Step 6: Final answer
    x = 1,437.90

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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.