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Finding the Fourth Proportional to 6,491,790.85, 9,738,572.44 and 2,704,388.01

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Solution

The fourth proportional to 6,491,790.85, 9,738,572.44 and 2,704,388.01 is: 4,056,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491,790.85 : 9,738,572.44 = 2,704,388.01 : x
  2. Step 2: Convert to fraction form
    6,491,790.85/9,738,572.44 = 2,704,388.01/x
  3. Step 3: Cross multiply
    6,491,790.85x = 9,738,572.44 × 2,704,388.01
  4. Step 4: Simplify right side
    6,491,790.85x = 26,336,878,541,252.44
  5. Step 5: Solve for x
    x = 26,336,878,541,252.44/6,491,790.85
  6. Step 6: Final answer
    x = 4,056,951.18

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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.