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Finding the Fourth Proportional to 33,683.56, 50,421.66 and 21,971.56

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Solution

The fourth proportional to 33,683.56, 50,421.66 and 21,971.56 is: 32,889.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,683.56 : 50,421.66 = 21,971.56 : x
  2. Step 2: Convert to fraction form
    33,683.56/50,421.66 = 21,971.56/x
  3. Step 3: Cross multiply
    33,683.56x = 50,421.66 × 21,971.56
  4. Step 4: Simplify right side
    33,683.56x = 1,107,842,527.99
  5. Step 5: Solve for x
    x = 1,107,842,527.99/33,683.56
  6. Step 6: Final answer
    x = 32,889.71

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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.