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Finding the Fourth Proportional to 6,807,396.32, 9,394,086.44 and 3,709,948.22

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Solution

The fourth proportional to 6,807,396.32, 9,394,086.44 and 3,709,948.22 is: 5,119,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807,396.32 : 9,394,086.44 = 3,709,948.22 : x
  2. Step 2: Convert to fraction form
    6,807,396.32/9,394,086.44 = 3,709,948.22/x
  3. Step 3: Cross multiply
    6,807,396.32x = 9,394,086.44 × 3,709,948.22
  4. Step 4: Simplify right side
    6,807,396.32x = 34,851,574,266,604.14
  5. Step 5: Solve for x
    x = 34,851,574,266,604.14/6,807,396.32
  6. Step 6: Final answer
    x = 5,119,662.88

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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.