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Finding the Fourth Proportional to 12,597,676.84, 17,375,836.26 and 8,409,249.64

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Solution

The fourth proportional to 12,597,676.84, 17,375,836.26 and 8,409,249.64 is: 11,598,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597,676.84 : 17,375,836.26 = 8,409,249.64 : x
  2. Step 2: Convert to fraction form
    12,597,676.84/17,375,836.26 = 8,409,249.64/x
  3. Step 3: Cross multiply
    12,597,676.84x = 17,375,836.26 × 8,409,249.64
  4. Step 4: Simplify right side
    12,597,676.84x = 146,117,744,814,103.97
  5. Step 5: Solve for x
    x = 146,117,744,814,103.97/12,597,676.84
  6. Step 6: Final answer
    x = 11,598,784.97

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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.