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Finding the Fourth Proportional to 6,998,692.70, 10,496,463.60 and 2,510,968.70

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Solution

The fourth proportional to 6,998,692.70, 10,496,463.60 and 2,510,968.70 is: 3,765,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998,692.70 : 10,496,463.60 = 2,510,968.70 : x
  2. Step 2: Convert to fraction form
    6,998,692.70/10,496,463.60 = 2,510,968.70/x
  3. Step 3: Cross multiply
    6,998,692.70x = 10,496,463.60 × 2,510,968.70
  4. Step 4: Simplify right side
    6,998,692.70x = 26,356,291,560,289.32
  5. Step 5: Solve for x
    x = 26,356,291,560,289.32/6,998,692.70
  6. Step 6: Final answer
    x = 3,765,887.82

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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.