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Finding the Fourth Proportional to 3,722,663.70, 5,583,995.55 and 2,447,205.30

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Solution

The fourth proportional to 3,722,663.70, 5,583,995.55 and 2,447,205.30 is: 3,670,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722,663.70 : 5,583,995.55 = 2,447,205.30 : x
  2. Step 2: Convert to fraction form
    3,722,663.70/5,583,995.55 = 2,447,205.30/x
  3. Step 3: Cross multiply
    3,722,663.70x = 5,583,995.55 × 2,447,205.30
  4. Step 4: Simplify right side
    3,722,663.70x = 13,665,183,505,136.41
  5. Step 5: Solve for x
    x = 13,665,183,505,136.41/3,722,663.70
  6. Step 6: Final answer
    x = 3,670,807.95

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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.