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Finding the Fourth Proportional to 6,394,082.64, 8,823,960.99 and 3,493,653.45

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Solution

The fourth proportional to 6,394,082.64, 8,823,960.99 and 3,493,653.45 is: 4,821,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394,082.64 : 8,823,960.99 = 3,493,653.45 : x
  2. Step 2: Convert to fraction form
    6,394,082.64/8,823,960.99 = 3,493,653.45/x
  3. Step 3: Cross multiply
    6,394,082.64x = 8,823,960.99 × 3,493,653.45
  4. Step 4: Simplify right side
    6,394,082.64x = 30,827,861,755,378.92
  5. Step 5: Solve for x
    x = 30,827,861,755,378.92/6,394,082.64
  6. Step 6: Final answer
    x = 4,821,311.12

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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.