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Finding the Fourth Proportional to 8,839,794.20, 13,252,692.90 and 4,850,706.20

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Solution

The fourth proportional to 8,839,794.20, 13,252,692.90 and 4,850,706.20 is: 7,272,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839,794.20 : 13,252,692.90 = 4,850,706.20 : x
  2. Step 2: Convert to fraction form
    8,839,794.20/13,252,692.90 = 4,850,706.20/x
  3. Step 3: Cross multiply
    8,839,794.20x = 13,252,692.90 × 4,850,706.20
  4. Step 4: Simplify right side
    8,839,794.20x = 64,284,919,616,725.98
  5. Step 5: Solve for x
    x = 64,284,919,616,725.98/8,839,794.20
  6. Step 6: Final answer
    x = 7,272,219.03

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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.