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Finding the Fourth Proportional to 19,114.41, 28,662.99 and 5,782.27

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Solution

The fourth proportional to 19,114.41, 28,662.99 and 5,782.27 is: 8,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.41 : 28,662.99 = 5,782.27 : x
  2. Step 2: Convert to fraction form
    19,114.41/28,662.99 = 5,782.27/x
  3. Step 3: Cross multiply
    19,114.41x = 28,662.99 × 5,782.27
  4. Step 4: Simplify right side
    19,114.41x = 165,737,123.85
  5. Step 5: Solve for x
    x = 165,737,123.85/19,114.41
  6. Step 6: Final answer
    x = 8,670.79

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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.