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Finding the Fourth Proportional to 4,783,787.82, 7,171,617.56 and 2,226,487.82

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Solution

The fourth proportional to 4,783,787.82, 7,171,617.56 and 2,226,487.82 is: 3,337,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783,787.82 : 7,171,617.56 = 2,226,487.82 : x
  2. Step 2: Convert to fraction form
    4,783,787.82/7,171,617.56 = 2,226,487.82/x
  3. Step 3: Cross multiply
    4,783,787.82x = 7,171,617.56 × 2,226,487.82
  4. Step 4: Simplify right side
    4,783,787.82x = 15,967,519,100,047.59
  5. Step 5: Solve for x
    x = 15,967,519,100,047.59/4,783,787.82
  6. Step 6: Final answer
    x = 3,337,840.16

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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.