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Finding the Fourth Proportional to 15,607.16, 23,399.81 and 5,745.16

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Solution

The fourth proportional to 15,607.16, 23,399.81 and 5,745.16 is: 8,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.16 : 23,399.81 = 5,745.16 : x
  2. Step 2: Convert to fraction form
    15,607.16/23,399.81 = 5,745.16/x
  3. Step 3: Cross multiply
    15,607.16x = 23,399.81 × 5,745.16
  4. Step 4: Simplify right side
    15,607.16x = 134,435,579.56
  5. Step 5: Solve for x
    x = 134,435,579.56/15,607.16
  6. Step 6: Final answer
    x = 8,613.71

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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.