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Finding the Fourth Proportional to 33,369.84, 50,054.76 and 13,642.92

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Solution

The fourth proportional to 33,369.84, 50,054.76 and 13,642.92 is: 20,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,369.84 : 50,054.76 = 13,642.92 : x
  2. Step 2: Convert to fraction form
    33,369.84/50,054.76 = 13,642.92/x
  3. Step 3: Cross multiply
    33,369.84x = 50,054.76 × 13,642.92
  4. Step 4: Simplify right side
    33,369.84x = 682,893,086.30
  5. Step 5: Solve for x
    x = 682,893,086.30/33,369.84
  6. Step 6: Final answer
    x = 20,464.38

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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.