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Finding the Fourth Proportional to 6,793,889.73, 9,375,825.88 and 3,893,840.25

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Solution

The fourth proportional to 6,793,889.73, 9,375,825.88 and 3,893,840.25 is: 5,373,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793,889.73 : 9,375,825.88 = 3,893,840.25 : x
  2. Step 2: Convert to fraction form
    6,793,889.73/9,375,825.88 = 3,893,840.25/x
  3. Step 3: Cross multiply
    6,793,889.73x = 9,375,825.88 × 3,893,840.25
  4. Step 4: Simplify right side
    6,793,889.73x = 36,507,968,188,535.67
  5. Step 5: Solve for x
    x = 36,507,968,188,535.67/6,793,889.73
  6. Step 6: Final answer
    x = 5,373,647.44

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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.