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Finding the Fourth Proportional to 6,463,972.75, 8,920,342.56 and 3,563,467.41

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Solution

The fourth proportional to 6,463,972.75, 8,920,342.56 and 3,563,467.41 is: 4,917,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463,972.75 : 8,920,342.56 = 3,563,467.41 : x
  2. Step 2: Convert to fraction form
    6,463,972.75/8,920,342.56 = 3,563,467.41/x
  3. Step 3: Cross multiply
    6,463,972.75x = 8,920,342.56 × 3,563,467.41
  4. Step 4: Simplify right side
    6,463,972.75x = 31,787,350,008,640.11
  5. Step 5: Solve for x
    x = 31,787,350,008,640.11/6,463,972.75
  6. Step 6: Final answer
    x = 4,917,618.20

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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.