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Finding the Fourth Proportional to 36,003.96, 53,958.96 and 19,344.69

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Solution

The fourth proportional to 36,003.96, 53,958.96 and 19,344.69 is: 28,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,003.96 : 53,958.96 = 19,344.69 : x
  2. Step 2: Convert to fraction form
    36,003.96/53,958.96 = 19,344.69/x
  3. Step 3: Cross multiply
    36,003.96x = 53,958.96 × 19,344.69
  4. Step 4: Simplify right side
    36,003.96x = 1,043,819,353.92
  5. Step 5: Solve for x
    x = 1,043,819,353.92/36,003.96
  6. Step 6: Final answer
    x = 28,991.79

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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.