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Finding the Fourth Proportional to 33,694.20, 50,582.90 and 21,214.20

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Solution

The fourth proportional to 33,694.20, 50,582.90 and 21,214.20 is: 31,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,694.20 : 50,582.90 = 21,214.20 : x
  2. Step 2: Convert to fraction form
    33,694.20/50,582.90 = 21,214.20/x
  3. Step 3: Cross multiply
    33,694.20x = 50,582.90 × 21,214.20
  4. Step 4: Simplify right side
    33,694.20x = 1,073,075,757.18
  5. Step 5: Solve for x
    x = 1,073,075,757.18/33,694.20
  6. Step 6: Final answer
    x = 31,847.49

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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.