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Finding the Fourth Proportional to 19,495.76, 29,226.12 and 7,012.85

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Solution

The fourth proportional to 19,495.76, 29,226.12 and 7,012.85 is: 10,512.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.76 : 29,226.12 = 7,012.85 : x
  2. Step 2: Convert to fraction form
    19,495.76/29,226.12 = 7,012.85/x
  3. Step 3: Cross multiply
    19,495.76x = 29,226.12 × 7,012.85
  4. Step 4: Simplify right side
    19,495.76x = 204,958,223.21
  5. Step 5: Solve for x
    x = 204,958,223.21/19,495.76
  6. Step 6: Final answer
    x = 10,512.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.