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Finding the Fourth Proportional to 33,850.84, 50,762.25 and 12,787.30

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Solution

The fourth proportional to 33,850.84, 50,762.25 and 12,787.30 is: 19,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,850.84 : 50,762.25 = 12,787.30 : x
  2. Step 2: Convert to fraction form
    33,850.84/50,762.25 = 12,787.30/x
  3. Step 3: Cross multiply
    33,850.84x = 50,762.25 × 12,787.30
  4. Step 4: Simplify right side
    33,850.84x = 649,112,119.43
  5. Step 5: Solve for x
    x = 649,112,119.43/33,850.84
  6. Step 6: Final answer
    x = 19,175.66

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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.