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Finding the Fourth Proportional to 8,652,759.70, 12,969,986.94 and 3,259,076.44

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Solution

The fourth proportional to 8,652,759.70, 12,969,986.94 and 3,259,076.44 is: 4,885,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652,759.70 : 12,969,986.94 = 3,259,076.44 : x
  2. Step 2: Convert to fraction form
    8,652,759.70/12,969,986.94 = 3,259,076.44/x
  3. Step 3: Cross multiply
    8,652,759.70x = 12,969,986.94 × 3,259,076.44
  4. Step 4: Simplify right side
    8,652,759.70x = 42,270,178,863,261.69
  5. Step 5: Solve for x
    x = 42,270,178,863,261.69/8,652,759.70
  6. Step 6: Final answer
    x = 4,885,167.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.