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Finding the Fourth Proportional to 24,391.20, 36,576 and 8,808.96

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Solution

The fourth proportional to 24,391.20, 36,576 and 8,808.96 is: 13,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,391.20 : 36,576 = 8,808.96 : x
  2. Step 2: Convert to fraction form
    24,391.20/36,576 = 8,808.96/x
  3. Step 3: Cross multiply
    24,391.20x = 36,576 × 8,808.96
  4. Step 4: Simplify right side
    24,391.20x = 322,196,520.96
  5. Step 5: Solve for x
    x = 322,196,520.96/24,391.20
  6. Step 6: Final answer
    x = 13,209.54

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Why These Related Problems?

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