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Finding the Fourth Proportional to 6,382,692.16, 8,808,073.38 and 3,629,379.80

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Solution

The fourth proportional to 6,382,692.16, 8,808,073.38 and 3,629,379.80 is: 5,008,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382,692.16 : 8,808,073.38 = 3,629,379.80 : x
  2. Step 2: Convert to fraction form
    6,382,692.16/8,808,073.38 = 3,629,379.80/x
  3. Step 3: Cross multiply
    6,382,692.16x = 8,808,073.38 × 3,629,379.80
  4. Step 4: Simplify right side
    6,382,692.16x = 31,967,843,602,289.73
  5. Step 5: Solve for x
    x = 31,967,843,602,289.73/6,382,692.16
  6. Step 6: Final answer
    x = 5,008,520.35

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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.