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Finding the Fourth Proportional to 8,800.80, 13,224.60 and 4,855.20

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Solution

The fourth proportional to 8,800.80, 13,224.60 and 4,855.20 is: 7,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.80 : 13,224.60 = 4,855.20 : x
  2. Step 2: Convert to fraction form
    8,800.80/13,224.60 = 4,855.20/x
  3. Step 3: Cross multiply
    8,800.80x = 13,224.60 × 4,855.20
  4. Step 4: Simplify right side
    8,800.80x = 64,208,077.92
  5. Step 5: Solve for x
    x = 64,208,077.92/8,800.80
  6. Step 6: Final answer
    x = 7,295.71

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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.