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Finding the Fourth Proportional to 33,419.88, 50,129.82 and 15,880.14

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Solution

The fourth proportional to 33,419.88, 50,129.82 and 15,880.14 is: 23,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,419.88 : 50,129.82 = 15,880.14 : x
  2. Step 2: Convert to fraction form
    33,419.88/50,129.82 = 15,880.14/x
  3. Step 3: Cross multiply
    33,419.88x = 50,129.82 × 15,880.14
  4. Step 4: Simplify right side
    33,419.88x = 796,068,559.77
  5. Step 5: Solve for x
    x = 796,068,559.77/33,419.88
  6. Step 6: Final answer
    x = 23,820.21

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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.