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Finding the Fourth Proportional to 6,466.45, 8,923.72 and 3,671.95

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Solution

The fourth proportional to 6,466.45, 8,923.72 and 3,671.95 is: 5,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466.45 : 8,923.72 = 3,671.95 : x
  2. Step 2: Convert to fraction form
    6,466.45/8,923.72 = 3,671.95/x
  3. Step 3: Cross multiply
    6,466.45x = 8,923.72 × 3,671.95
  4. Step 4: Simplify right side
    6,466.45x = 32,767,453.65
  5. Step 5: Solve for x
    x = 32,767,453.65/6,466.45
  6. Step 6: Final answer
    x = 5,067.30

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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.