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Finding the Fourth Proportional to 2,366.58, 3,550.60 and 980.56

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Solution

The fourth proportional to 2,366.58, 3,550.60 and 980.56 is: 1,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.58 : 3,550.60 = 980.56 : x
  2. Step 2: Convert to fraction form
    2,366.58/3,550.60 = 980.56/x
  3. Step 3: Cross multiply
    2,366.58x = 3,550.60 × 980.56
  4. Step 4: Simplify right side
    2,366.58x = 3,481,591.99
  5. Step 5: Solve for x
    x = 3,481,591.99/2,366.58
  6. Step 6: Final answer
    x = 1,471.15

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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.