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Finding the Fourth Proportional to 19,273.97, 28,896.90 and 13,018.46

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Solution

The fourth proportional to 19,273.97, 28,896.90 and 13,018.46 is: 19,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.97 : 28,896.90 = 13,018.46 : x
  2. Step 2: Convert to fraction form
    19,273.97/28,896.90 = 13,018.46/x
  3. Step 3: Cross multiply
    19,273.97x = 28,896.90 × 13,018.46
  4. Step 4: Simplify right side
    19,273.97x = 376,193,136.77
  5. Step 5: Solve for x
    x = 376,193,136.77/19,273.97
  6. Step 6: Final answer
    x = 19,518.20

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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.