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Finding the Fourth Proportional to 12,221.52, 18,297.52 and 8,048.94

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Solution

The fourth proportional to 12,221.52, 18,297.52 and 8,048.94 is: 12,050.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,221.52 : 18,297.52 = 8,048.94 : x
  2. Step 2: Convert to fraction form
    12,221.52/18,297.52 = 8,048.94/x
  3. Step 3: Cross multiply
    12,221.52x = 18,297.52 × 8,048.94
  4. Step 4: Simplify right side
    12,221.52x = 147,275,640.63
  5. Step 5: Solve for x
    x = 147,275,640.63/12,221.52
  6. Step 6: Final answer
    x = 12,050.52

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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.