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Finding the Fourth Proportional to 6,491,458.64, 9,738,073.65 and 2,704,055.78

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Solution

The fourth proportional to 6,491,458.64, 9,738,073.65 and 2,704,055.78 is: 4,056,452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491,458.64 : 9,738,073.65 = 2,704,055.78 : x
  2. Step 2: Convert to fraction form
    6,491,458.64/9,738,073.65 = 2,704,055.78/x
  3. Step 3: Cross multiply
    6,491,458.64x = 9,738,073.65 × 2,704,055.78
  4. Step 4: Simplify right side
    6,491,458.64x = 26,332,294,339,348.20
  5. Step 5: Solve for x
    x = 26,332,294,339,348.20/6,491,458.64
  6. Step 6: Final answer
    x = 4,056,452.61

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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.