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Finding the Fourth Proportional to 6,129,583.88, 8,458,825.78 and 3,552,759.56

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Solution

The fourth proportional to 6,129,583.88, 8,458,825.78 and 3,552,759.56 is: 4,902,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129,583.88 : 8,458,825.78 = 3,552,759.56 : x
  2. Step 2: Convert to fraction form
    6,129,583.88/8,458,825.78 = 3,552,759.56/x
  3. Step 3: Cross multiply
    6,129,583.88x = 8,458,825.78 × 3,552,759.56
  4. Step 4: Simplify right side
    6,129,583.88x = 30,052,174,156,269.45
  5. Step 5: Solve for x
    x = 30,052,174,156,269.45/6,129,583.88
  6. Step 6: Final answer
    x = 4,902,808.21

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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.