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Finding the Fourth Proportional to 50,408.16, 69,446.80 and 36,236.48

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Solution

The fourth proportional to 50,408.16, 69,446.80 and 36,236.48 is: 49,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,408.16 : 69,446.80 = 36,236.48 : x
  2. Step 2: Convert to fraction form
    50,408.16/69,446.80 = 36,236.48/x
  3. Step 3: Cross multiply
    50,408.16x = 69,446.80 × 36,236.48
  4. Step 4: Simplify right side
    50,408.16x = 2,516,507,579.26
  5. Step 5: Solve for x
    x = 2,516,507,579.26/50,408.16
  6. Step 6: Final answer
    x = 49,922.62

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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.