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Finding the Fourth Proportional to 12,873,169.84, 19,309,754.76 and 3,288,569.44

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Solution

The fourth proportional to 12,873,169.84, 19,309,754.76 and 3,288,569.44 is: 4,932,854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873,169.84 : 19,309,754.76 = 3,288,569.44 : x
  2. Step 2: Convert to fraction form
    12,873,169.84/19,309,754.76 = 3,288,569.44/x
  3. Step 3: Cross multiply
    12,873,169.84x = 19,309,754.76 × 3,288,569.44
  4. Step 4: Simplify right side
    12,873,169.84x = 63,501,469,397,630.54
  5. Step 5: Solve for x
    x = 63,501,469,397,630.54/12,873,169.84
  6. Step 6: Final answer
    x = 4,932,854.16

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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.