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Finding the Fourth Proportional to 8,813.92, 13,233.84 and 3,629.92

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Solution

The fourth proportional to 8,813.92, 13,233.84 and 3,629.92 is: 5,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.92 : 13,233.84 = 3,629.92 : x
  2. Step 2: Convert to fraction form
    8,813.92/13,233.84 = 3,629.92/x
  3. Step 3: Cross multiply
    8,813.92x = 13,233.84 × 3,629.92
  4. Step 4: Simplify right side
    8,813.92x = 48,037,780.49
  5. Step 5: Solve for x
    x = 48,037,780.49/8,813.92
  6. Step 6: Final answer
    x = 5,450.22

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1.5x scale

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.