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Finding the Fourth Proportional to 3,385.68, 4,674.12 and 2,268.12

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Solution

The fourth proportional to 3,385.68, 4,674.12 and 2,268.12 is: 3,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.68 : 4,674.12 = 2,268.12 : x
  2. Step 2: Convert to fraction form
    3,385.68/4,674.12 = 2,268.12/x
  3. Step 3: Cross multiply
    3,385.68x = 4,674.12 × 2,268.12
  4. Step 4: Simplify right side
    3,385.68x = 10,601,465.05
  5. Step 5: Solve for x
    x = 10,601,465.05/3,385.68
  6. Step 6: Final answer
    x = 3,131.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.