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Finding the Fourth Proportional to 33,993.38, 50,980.95 and 21,494.67

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Solution

The fourth proportional to 33,993.38, 50,980.95 and 21,494.67 is: 32,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,993.38 : 50,980.95 = 21,494.67 : x
  2. Step 2: Convert to fraction form
    33,993.38/50,980.95 = 21,494.67/x
  3. Step 3: Cross multiply
    33,993.38x = 50,980.95 × 21,494.67
  4. Step 4: Simplify right side
    33,993.38x = 1,095,818,696.54
  5. Step 5: Solve for x
    x = 1,095,818,696.54/33,993.38
  6. Step 6: Final answer
    x = 32,236.24

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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.