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Finding the Fourth Proportional to 6,795,907.54, 9,376,241.28 and 3,855,240.60

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Solution

The fourth proportional to 6,795,907.54, 9,376,241.28 and 3,855,240.60 is: 5,319,034.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,795,907.54 : 9,376,241.28 = 3,855,240.60 : x
  2. Step 2: Convert to fraction form
    6,795,907.54/9,376,241.28 = 3,855,240.60/x
  3. Step 3: Cross multiply
    6,795,907.54x = 9,376,241.28 × 3,855,240.60
  4. Step 4: Simplify right side
    6,795,907.54x = 36,147,666,058,051.97
  5. Step 5: Solve for x
    x = 36,147,666,058,051.97/6,795,907.54
  6. Step 6: Final answer
    x = 5,319,034.41

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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.