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Finding the Fourth Proportional to 8,493,769.70, 11,924,869.90 and 8,493,769.70

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Solution

The fourth proportional to 8,493,769.70, 11,924,869.90 and 8,493,769.70 is: 11,924,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493,769.70 : 11,924,869.90 = 8,493,769.70 : x
  2. Step 2: Convert to fraction form
    8,493,769.70/11,924,869.90 = 8,493,769.70/x
  3. Step 3: Cross multiply
    8,493,769.70x = 11,924,869.90 × 8,493,769.70
  4. Step 4: Simplify right side
    8,493,769.70x = 101,287,098,633,062.03
  5. Step 5: Solve for x
    x = 101,287,098,633,062.03/8,493,769.70
  6. Step 6: Final answer
    x = 11,924,869.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.