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Finding the Fourth Proportional to 3,268.54, 4,905.03 and 1,626.24

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Solution

The fourth proportional to 3,268.54, 4,905.03 and 1,626.24 is: 2,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.54 : 4,905.03 = 1,626.24 : x
  2. Step 2: Convert to fraction form
    3,268.54/4,905.03 = 1,626.24/x
  3. Step 3: Cross multiply
    3,268.54x = 4,905.03 × 1,626.24
  4. Step 4: Simplify right side
    3,268.54x = 7,976,755.21
  5. Step 5: Solve for x
    x = 7,976,755.21/3,268.54
  6. Step 6: Final answer
    x = 2,440.46

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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.