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Finding the Fourth Proportional to 3,963,517.88, 5,943,818.53 and 1,369,162.65

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Solution

The fourth proportional to 3,963,517.88, 5,943,818.53 and 1,369,162.65 is: 2,053,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963,517.88 : 5,943,818.53 = 1,369,162.65 : x
  2. Step 2: Convert to fraction form
    3,963,517.88/5,943,818.53 = 1,369,162.65/x
  3. Step 3: Cross multiply
    3,963,517.88x = 5,943,818.53 × 1,369,162.65
  4. Step 4: Simplify right side
    3,963,517.88x = 8,138,054,309,076.04
  5. Step 5: Solve for x
    x = 8,138,054,309,076.04/3,963,517.88
  6. Step 6: Final answer
    x = 2,053,240.22

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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.