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Finding the Fourth Proportional to 6,797,415.87, 9,380,681.37 and 3,699,789.48

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Solution

The fourth proportional to 6,797,415.87, 9,380,681.37 and 3,699,789.48 is: 5,105,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,797,415.87 : 9,380,681.37 = 3,699,789.48 : x
  2. Step 2: Convert to fraction form
    6,797,415.87/9,380,681.37 = 3,699,789.48/x
  3. Step 3: Cross multiply
    6,797,415.87x = 9,380,681.37 × 3,699,789.48
  4. Step 4: Simplify right side
    6,797,415.87x = 34,706,546,182,555.64
  5. Step 5: Solve for x
    x = 34,706,546,182,555.64/6,797,415.87
  6. Step 6: Final answer
    x = 5,105,844.17

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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.