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Finding the Fourth Proportional to 1,960.73, 2,941.23 and 662.30

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Solution

The fourth proportional to 1,960.73, 2,941.23 and 662.30 is: 993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.73 : 2,941.23 = 662.30 : x
  2. Step 2: Convert to fraction form
    1,960.73/2,941.23 = 662.30/x
  3. Step 3: Cross multiply
    1,960.73x = 2,941.23 × 662.30
  4. Step 4: Simplify right side
    1,960.73x = 1,947,976.63
  5. Step 5: Solve for x
    x = 1,947,976.63/1,960.73
  6. Step 6: Final answer
    x = 993.50

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1.5x scale

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.