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Finding the Fourth Proportional to 3,670,216.05, 5,505,324.08 and 3,670,216.05

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Solution

The fourth proportional to 3,670,216.05, 5,505,324.08 and 3,670,216.05 is: 5,505,324.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,216.05 : 5,505,324.08 = 3,670,216.05 : x
  2. Step 2: Convert to fraction form
    3,670,216.05/5,505,324.08 = 3,670,216.05/x
  3. Step 3: Cross multiply
    3,670,216.05x = 5,505,324.08 × 3,670,216.05
  4. Step 4: Simplify right side
    3,670,216.05x = 20,205,728,780,516.40
  5. Step 5: Solve for x
    x = 20,205,728,780,516.40/3,670,216.05
  6. Step 6: Final answer
    x = 5,505,324.08

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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.