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Finding the Fourth Proportional to 60,771.89, 91,197.80 and 21,327.96

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Solution

The fourth proportional to 60,771.89, 91,197.80 and 21,327.96 is: 32,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,771.89 : 91,197.80 = 21,327.96 : x
  2. Step 2: Convert to fraction form
    60,771.89/91,197.80 = 21,327.96/x
  3. Step 3: Cross multiply
    60,771.89x = 91,197.80 × 21,327.96
  4. Step 4: Simplify right side
    60,771.89x = 1,945,062,923.85
  5. Step 5: Solve for x
    x = 1,945,062,923.85/60,771.89
  6. Step 6: Final answer
    x = 32,005.97

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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.