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Finding the Fourth Proportional to 36,647,499.83, 54,978,007.57 and 12,056,811.08

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Solution

The fourth proportional to 36,647,499.83, 54,978,007.57 and 12,056,811.08 is: 18,087,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,647,499.83 : 54,978,007.57 = 12,056,811.08 : x
  2. Step 2: Convert to fraction form
    36,647,499.83/54,978,007.57 = 12,056,811.08/x
  3. Step 3: Cross multiply
    36,647,499.83x = 54,978,007.57 × 12,056,811.08
  4. Step 4: Simplify right side
    36,647,499.83x = 662,859,450,521,267.75
  5. Step 5: Solve for x
    x = 662,859,450,521,267.75/36,647,499.83
  6. Step 6: Final answer
    x = 18,087,439.90

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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.