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Finding the Fourth Proportional to 5,777,998.38, 7,973,630.55 and 3,199,676.04

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Solution

The fourth proportional to 5,777,998.38, 7,973,630.55 and 3,199,676.04 is: 4,415,548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777,998.38 : 7,973,630.55 = 3,199,676.04 : x
  2. Step 2: Convert to fraction form
    5,777,998.38/7,973,630.55 = 3,199,676.04/x
  3. Step 3: Cross multiply
    5,777,998.38x = 7,973,630.55 × 3,199,676.04
  4. Step 4: Simplify right side
    5,777,998.38x = 25,513,034,622,647.02
  5. Step 5: Solve for x
    x = 25,513,034,622,647.02/5,777,998.38
  6. Step 6: Final answer
    x = 4,415,548.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.