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Finding the Fourth Proportional to 33,363.54, 50,065.84 and 13,642.20

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Solution

The fourth proportional to 33,363.54, 50,065.84 and 13,642.20 is: 20,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,363.54 : 50,065.84 = 13,642.20 : x
  2. Step 2: Convert to fraction form
    33,363.54/50,065.84 = 13,642.20/x
  3. Step 3: Cross multiply
    33,363.54x = 50,065.84 × 13,642.20
  4. Step 4: Simplify right side
    33,363.54x = 683,008,202.45
  5. Step 5: Solve for x
    x = 683,008,202.45/33,363.54
  6. Step 6: Final answer
    x = 20,471.69

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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.