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Finding the Fourth Proportional to 6,961,859.62, 9,606,885.32 and 3,864,139.28

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Solution

The fourth proportional to 6,961,859.62, 9,606,885.32 and 3,864,139.28 is: 5,332,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961,859.62 : 9,606,885.32 = 3,864,139.28 : x
  2. Step 2: Convert to fraction form
    6,961,859.62/9,606,885.32 = 3,864,139.28/x
  3. Step 3: Cross multiply
    6,961,859.62x = 9,606,885.32 × 3,864,139.28
  4. Step 4: Simplify right side
    6,961,859.62x = 37,122,342,957,144.93
  5. Step 5: Solve for x
    x = 37,122,342,957,144.93/6,961,859.62
  6. Step 6: Final answer
    x = 5,332,245.26

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