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Finding the Fourth Proportional to 2,268.38, 3,402.57 and 900.38

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Solution

The fourth proportional to 2,268.38, 3,402.57 and 900.38 is: 1,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.38 : 3,402.57 = 900.38 : x
  2. Step 2: Convert to fraction form
    2,268.38/3,402.57 = 900.38/x
  3. Step 3: Cross multiply
    2,268.38x = 3,402.57 × 900.38
  4. Step 4: Simplify right side
    2,268.38x = 3,063,584.46
  5. Step 5: Solve for x
    x = 3,063,584.46/2,268.38
  6. Step 6: Final answer
    x = 1,350.56

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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.