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Finding the Fourth Proportional to 51,651.70, 72,467.90 and 51,651.70

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Solution

The fourth proportional to 51,651.70, 72,467.90 and 51,651.70 is: 72,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,651.70 : 72,467.90 = 51,651.70 : x
  2. Step 2: Convert to fraction form
    51,651.70/72,467.90 = 51,651.70/x
  3. Step 3: Cross multiply
    51,651.70x = 72,467.90 × 51,651.70
  4. Step 4: Simplify right side
    51,651.70x = 3,743,090,230.43
  5. Step 5: Solve for x
    x = 3,743,090,230.43/51,651.70
  6. Step 6: Final answer
    x = 72,467.90

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