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Finding the Fourth Proportional to 7,474,964.70, 10,493,294.10 and 7,474,964.70

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Solution

The fourth proportional to 7,474,964.70, 10,493,294.10 and 7,474,964.70 is: 10,493,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474,964.70 : 10,493,294.10 = 7,474,964.70 : x
  2. Step 2: Convert to fraction form
    7,474,964.70/10,493,294.10 = 7,474,964.70/x
  3. Step 3: Cross multiply
    7,474,964.70x = 10,493,294.10 × 7,474,964.70
  4. Step 4: Simplify right side
    7,474,964.70x = 78,437,002,984,218.27
  5. Step 5: Solve for x
    x = 78,437,002,984,218.27/7,474,964.70
  6. Step 6: Final answer
    x = 10,493,294.10

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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.