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Finding the Fourth Proportional to 33,724.20, 50,627.90 and 21,244.20

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Solution

The fourth proportional to 33,724.20, 50,627.90 and 21,244.20 is: 31,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,724.20 : 50,627.90 = 21,244.20 : x
  2. Step 2: Convert to fraction form
    33,724.20/50,627.90 = 21,244.20/x
  3. Step 3: Cross multiply
    33,724.20x = 50,627.90 × 21,244.20
  4. Step 4: Simplify right side
    33,724.20x = 1,075,549,233.18
  5. Step 5: Solve for x
    x = 1,075,549,233.18/33,724.20
  6. Step 6: Final answer
    x = 31,892.51

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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.