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Finding the Fourth Proportional to 3,960,034.06, 5,464,849.23 and 2,149,198.06

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Solution

The fourth proportional to 3,960,034.06, 5,464,849.23 and 2,149,198.06 is: 2,965,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,034.06 : 5,464,849.23 = 2,149,198.06 : x
  2. Step 2: Convert to fraction form
    3,960,034.06/5,464,849.23 = 2,149,198.06/x
  3. Step 3: Cross multiply
    3,960,034.06x = 5,464,849.23 × 2,149,198.06
  4. Step 4: Simplify right side
    3,960,034.06x = 11,745,043,363,308.49
  5. Step 5: Solve for x
    x = 11,745,043,363,308.49/3,960,034.06
  6. Step 6: Final answer
    x = 2,965,894.53

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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.