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Finding the Fourth Proportional to 3,764,662.07, 5,193,321.30 and 2,458,678.50

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Solution

The fourth proportional to 3,764,662.07, 5,193,321.30 and 2,458,678.50 is: 3,391,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764,662.07 : 5,193,321.30 = 2,458,678.50 : x
  2. Step 2: Convert to fraction form
    3,764,662.07/5,193,321.30 = 2,458,678.50/x
  3. Step 3: Cross multiply
    3,764,662.07x = 5,193,321.30 × 2,458,678.50
  4. Step 4: Simplify right side
    3,764,662.07x = 12,768,707,423,902.05
  5. Step 5: Solve for x
    x = 12,768,707,423,902.05/3,764,662.07
  6. Step 6: Final answer
    x = 3,391,727.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.