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Finding the Fourth Proportional to 5,229,408.60, 7,844,112.90 and 5,229,408.60

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Solution

The fourth proportional to 5,229,408.60, 7,844,112.90 and 5,229,408.60 is: 7,844,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229,408.60 : 7,844,112.90 = 5,229,408.60 : x
  2. Step 2: Convert to fraction form
    5,229,408.60/7,844,112.90 = 5,229,408.60/x
  3. Step 3: Cross multiply
    5,229,408.60x = 7,844,112.90 × 5,229,408.60
  4. Step 4: Simplify right side
    5,229,408.60x = 41,020,071,458,630.94
  5. Step 5: Solve for x
    x = 41,020,071,458,630.94/5,229,408.60
  6. Step 6: Final answer
    x = 7,844,112.90

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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.