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Finding the Fourth Proportional to 3,707,620.60, 5,198,133.80 and 3,707,620.60

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Solution

The fourth proportional to 3,707,620.60, 5,198,133.80 and 3,707,620.60 is: 5,198,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707,620.60 : 5,198,133.80 = 3,707,620.60 : x
  2. Step 2: Convert to fraction form
    3,707,620.60/5,198,133.80 = 3,707,620.60/x
  3. Step 3: Cross multiply
    3,707,620.60x = 5,198,133.80 × 3,707,620.60
  4. Step 4: Simplify right side
    3,707,620.60x = 19,272,707,958,436.28
  5. Step 5: Solve for x
    x = 19,272,707,958,436.28/3,707,620.60
  6. Step 6: Final answer
    x = 5,198,133.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.