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Finding the Fourth Proportional to 38,682,620.40, 58,023,930.60 and 38,682,620.40

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Solution

The fourth proportional to 38,682,620.40, 58,023,930.60 and 38,682,620.40 is: 58,023,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,682,620.40 : 58,023,930.60 = 38,682,620.40 : x
  2. Step 2: Convert to fraction form
    38,682,620.40/58,023,930.60 = 38,682,620.40/x
  3. Step 3: Cross multiply
    38,682,620.40x = 58,023,930.60 × 38,682,620.40
  4. Step 4: Simplify right side
    38,682,620.40x = 2,244,517,681,515,744.25
  5. Step 5: Solve for x
    x = 2,244,517,681,515,744.25/38,682,620.40
  6. Step 6: Final answer
    x = 58,023,930.60

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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.