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Finding the Fourth Proportional to 36,268.36, 54,402.84 and 9,974.54

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Solution

The fourth proportional to 36,268.36, 54,402.84 and 9,974.54 is: 14,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,268.36 : 54,402.84 = 9,974.54 : x
  2. Step 2: Convert to fraction form
    36,268.36/54,402.84 = 9,974.54/x
  3. Step 3: Cross multiply
    36,268.36x = 54,402.84 × 9,974.54
  4. Step 4: Simplify right side
    36,268.36x = 542,643,439.70
  5. Step 5: Solve for x
    x = 542,643,439.70/36,268.36
  6. Step 6: Final answer
    x = 14,961.90

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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.