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Finding the Fourth Proportional to 6,819,769.62, 9,411,262.74 and 3,763,962

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Solution

The fourth proportional to 6,819,769.62, 9,411,262.74 and 3,763,962 is: 5,194,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819,769.62 : 9,411,262.74 = 3,763,962 : x
  2. Step 2: Convert to fraction form
    6,819,769.62/9,411,262.74 = 3,763,962/x
  3. Step 3: Cross multiply
    6,819,769.62x = 9,411,262.74 × 3,763,962
  4. Step 4: Simplify right side
    6,819,769.62x = 35,423,635,325,375.88
  5. Step 5: Solve for x
    x = 35,423,635,325,375.88/6,819,769.62
  6. Step 6: Final answer
    x = 5,194,256.89

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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.