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Finding the Fourth Proportional to 8,672,370.30, 11,973,716.87 and 7,751,648.97

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Solution

The fourth proportional to 8,672,370.30, 11,973,716.87 and 7,751,648.97 is: 10,702,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672,370.30 : 11,973,716.87 = 7,751,648.97 : x
  2. Step 2: Convert to fraction form
    8,672,370.30/11,973,716.87 = 7,751,648.97/x
  3. Step 3: Cross multiply
    8,672,370.30x = 11,973,716.87 × 7,751,648.97
  4. Step 4: Simplify right side
    8,672,370.30x = 92,816,050,003,648.88
  5. Step 5: Solve for x
    x = 92,816,050,003,648.88/8,672,370.30
  6. Step 6: Final answer
    x = 10,702,500.79

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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.