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Finding the Fourth Proportional to 36,454.40, 50,310.64 and 21,346.12

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Solution

The fourth proportional to 36,454.40, 50,310.64 and 21,346.12 is: 29,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,454.40 : 50,310.64 = 21,346.12 : x
  2. Step 2: Convert to fraction form
    36,454.40/50,310.64 = 21,346.12/x
  3. Step 3: Cross multiply
    36,454.40x = 50,310.64 × 21,346.12
  4. Step 4: Simplify right side
    36,454.40x = 1,073,936,958.72
  5. Step 5: Solve for x
    x = 1,073,936,958.72/36,454.40
  6. Step 6: Final answer
    x = 29,459.73

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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.