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Finding the Fourth Proportional to 15,173.79, 22,745.08 and 5,811.27

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Solution

The fourth proportional to 15,173.79, 22,745.08 and 5,811.27 is: 8,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173.79 : 22,745.08 = 5,811.27 : x
  2. Step 2: Convert to fraction form
    15,173.79/22,745.08 = 5,811.27/x
  3. Step 3: Cross multiply
    15,173.79x = 22,745.08 × 5,811.27
  4. Step 4: Simplify right side
    15,173.79x = 132,177,801.05
  5. Step 5: Solve for x
    x = 132,177,801.05/15,173.79
  6. Step 6: Final answer
    x = 8,710.93

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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.