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Finding the Fourth Proportional to 6,647,723.28, 9,963,711.64 and 3,050,458.16

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Solution

The fourth proportional to 6,647,723.28, 9,963,711.64 and 3,050,458.16 is: 4,572,074.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647,723.28 : 9,963,711.64 = 3,050,458.16 : x
  2. Step 2: Convert to fraction form
    6,647,723.28/9,963,711.64 = 3,050,458.16/x
  3. Step 3: Cross multiply
    6,647,723.28x = 9,963,711.64 × 3,050,458.16
  4. Step 4: Simplify right side
    6,647,723.28x = 30,393,885,476,124.98
  5. Step 5: Solve for x
    x = 30,393,885,476,124.98/6,647,723.28
  6. Step 6: Final answer
    x = 4,572,074.41

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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.