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Finding the Fourth Proportional to 36,647,505.82, 54,978,016.56 and 12,056,817.08

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Solution

The fourth proportional to 36,647,505.82, 54,978,016.56 and 12,056,817.08 is: 18,087,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,647,505.82 : 54,978,016.56 = 12,056,817.08 : x
  2. Step 2: Convert to fraction form
    36,647,505.82/54,978,016.56 = 12,056,817.08/x
  3. Step 3: Cross multiply
    36,647,505.82x = 54,978,016.56 × 12,056,817.08
  4. Step 4: Simplify right side
    36,647,505.82x = 662,859,889,085,130.88
  5. Step 5: Solve for x
    x = 662,859,889,085,130.88/36,647,505.82
  6. Step 6: Final answer
    x = 18,087,448.91

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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.