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Finding the Fourth Proportional to 6,408,862.89, 8,843,670.34 and 3,794,898.03

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Solution

The fourth proportional to 6,408,862.89, 8,843,670.34 and 3,794,898.03 is: 5,236,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408,862.89 : 8,843,670.34 = 3,794,898.03 : x
  2. Step 2: Convert to fraction form
    6,408,862.89/8,843,670.34 = 3,794,898.03/x
  3. Step 3: Cross multiply
    6,408,862.89x = 8,843,670.34 × 3,794,898.03
  4. Step 4: Simplify right side
    6,408,862.89x = 33,560,827,151,235.43
  5. Step 5: Solve for x
    x = 33,560,827,151,235.43/6,408,862.89
  6. Step 6: Final answer
    x = 5,236,627.42

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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.