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Finding the Fourth Proportional to 12,133.92, 18,217.20 and 6,295.20

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Solution

The fourth proportional to 12,133.92, 18,217.20 and 6,295.20 is: 9,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.92 : 18,217.20 = 6,295.20 : x
  2. Step 2: Convert to fraction form
    12,133.92/18,217.20 = 6,295.20/x
  3. Step 3: Cross multiply
    12,133.92x = 18,217.20 × 6,295.20
  4. Step 4: Simplify right side
    12,133.92x = 114,680,917.44
  5. Step 5: Solve for x
    x = 114,680,917.44/12,133.92
  6. Step 6: Final answer
    x = 9,451.27

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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.