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Finding the Fourth Proportional to 1,940.37, 2,910.04 and 844.48

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Solution

The fourth proportional to 1,940.37, 2,910.04 and 844.48 is: 1,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.37 : 2,910.04 = 844.48 : x
  2. Step 2: Convert to fraction form
    1,940.37/2,910.04 = 844.48/x
  3. Step 3: Cross multiply
    1,940.37x = 2,910.04 × 844.48
  4. Step 4: Simplify right side
    1,940.37x = 2,457,470.58
  5. Step 5: Solve for x
    x = 2,457,470.58/1,940.37
  6. Step 6: Final answer
    x = 1,266.50

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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.