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Finding the Fourth Proportional to 33,978,532.56, 50,946,940.02 and 13,204,714.67

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Solution

The fourth proportional to 33,978,532.56, 50,946,940.02 and 13,204,714.67 is: 19,798,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,978,532.56 : 50,946,940.02 = 13,204,714.67 : x
  2. Step 2: Convert to fraction form
    33,978,532.56/50,946,940.02 = 13,204,714.67/x
  3. Step 3: Cross multiply
    33,978,532.56x = 50,946,940.02 × 13,204,714.67
  4. Step 4: Simplify right side
    33,978,532.56x = 672,739,806,185,261.50
  5. Step 5: Solve for x
    x = 672,739,806,185,261.50/33,978,532.56
  6. Step 6: Final answer
    x = 19,798,965.86

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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.