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Finding the Fourth Proportional to 3,793,195.80, 5,689,793.70 and 1,995,384.60

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Solution

The fourth proportional to 3,793,195.80, 5,689,793.70 and 1,995,384.60 is: 2,993,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793,195.80 : 5,689,793.70 = 1,995,384.60 : x
  2. Step 2: Convert to fraction form
    3,793,195.80/5,689,793.70 = 1,995,384.60/x
  3. Step 3: Cross multiply
    3,793,195.80x = 5,689,793.70 × 1,995,384.60
  4. Step 4: Simplify right side
    3,793,195.80x = 11,353,326,726,157.02
  5. Step 5: Solve for x
    x = 11,353,326,726,157.02/3,793,195.80
  6. Step 6: Final answer
    x = 2,993,076.90

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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.