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Finding the Fourth Proportional to 6,809,505.70, 9,397,181.73 and 3,753,829.30

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Solution

The fourth proportional to 6,809,505.70, 9,397,181.73 and 3,753,829.30 is: 5,180,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809,505.70 : 9,397,181.73 = 3,753,829.30 : x
  2. Step 2: Convert to fraction form
    6,809,505.70/9,397,181.73 = 3,753,829.30/x
  3. Step 3: Cross multiply
    6,809,505.70x = 9,397,181.73 × 3,753,829.30
  4. Step 4: Simplify right side
    6,809,505.70x = 35,275,416,115,498.69
  5. Step 5: Solve for x
    x = 35,275,416,115,498.69/6,809,505.70
  6. Step 6: Final answer
    x = 5,180,319.64

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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.