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Finding the Fourth Proportional to 3,944,164.86, 5,403,480.03 and 3,796,676.01

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Solution

The fourth proportional to 3,944,164.86, 5,403,480.03 and 3,796,676.01 is: 5,201,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944,164.86 : 5,403,480.03 = 3,796,676.01 : x
  2. Step 2: Convert to fraction form
    3,944,164.86/5,403,480.03 = 3,796,676.01/x
  3. Step 3: Cross multiply
    3,944,164.86x = 5,403,480.03 × 3,796,676.01
  4. Step 4: Simplify right side
    3,944,164.86x = 20,515,263,000,415.08
  5. Step 5: Solve for x
    x = 20,515,263,000,415.08/3,944,164.86
  6. Step 6: Final answer
    x = 5,201,421.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.