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Finding the Fourth Proportional to 33,995.84, 50,992.14 and 12,940.72

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Solution

The fourth proportional to 33,995.84, 50,992.14 and 12,940.72 is: 19,410.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,995.84 : 50,992.14 = 12,940.72 : x
  2. Step 2: Convert to fraction form
    33,995.84/50,992.14 = 12,940.72/x
  3. Step 3: Cross multiply
    33,995.84x = 50,992.14 × 12,940.72
  4. Step 4: Simplify right side
    33,995.84x = 659,875,005.94
  5. Step 5: Solve for x
    x = 659,875,005.94/33,995.84
  6. Step 6: Final answer
    x = 19,410.46

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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.