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Finding the Fourth Proportional to 2,366.10, 3,546.74 and 980.19

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Solution

The fourth proportional to 2,366.10, 3,546.74 and 980.19 is: 1,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.10 : 3,546.74 = 980.19 : x
  2. Step 2: Convert to fraction form
    2,366.10/3,546.74 = 980.19/x
  3. Step 3: Cross multiply
    2,366.10x = 3,546.74 × 980.19
  4. Step 4: Simplify right side
    2,366.10x = 3,476,474.18
  5. Step 5: Solve for x
    x = 3,476,474.18/2,366.10
  6. Step 6: Final answer
    x = 1,469.28

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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.