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Finding the Fourth Proportional to 6,849,791.85, 9,452,375.40 and 3,752,328.63

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Solution

The fourth proportional to 6,849,791.85, 9,452,375.40 and 3,752,328.63 is: 5,178,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849,791.85 : 9,452,375.40 = 3,752,328.63 : x
  2. Step 2: Convert to fraction form
    6,849,791.85/9,452,375.40 = 3,752,328.63/x
  3. Step 3: Cross multiply
    6,849,791.85x = 9,452,375.40 × 3,752,328.63
  4. Step 4: Simplify right side
    6,849,791.85x = 35,468,418,834,927.70
  5. Step 5: Solve for x
    x = 35,468,418,834,927.70/6,849,791.85
  6. Step 6: Final answer
    x = 5,178,028.71

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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.