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Finding the Fourth Proportional to 8,583,691.96, 12,873,540.47 and 3,194,880.22

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Solution

The fourth proportional to 8,583,691.96, 12,873,540.47 and 3,194,880.22 is: 4,791,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583,691.96 : 12,873,540.47 = 3,194,880.22 : x
  2. Step 2: Convert to fraction form
    8,583,691.96/12,873,540.47 = 3,194,880.22/x
  3. Step 3: Cross multiply
    8,583,691.96x = 12,873,540.47 × 3,194,880.22
  4. Step 4: Simplify right side
    8,583,691.96x = 41,129,419,809,090.02
  5. Step 5: Solve for x
    x = 41,129,419,809,090.02/8,583,691.96
  6. Step 6: Final answer
    x = 4,791,576.86

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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.