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Finding the Fourth Proportional to 12,053.43, 18,048.99 and 8,316.73

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Solution

The fourth proportional to 12,053.43, 18,048.99 and 8,316.73 is: 12,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053.43 : 18,048.99 = 8,316.73 : x
  2. Step 2: Convert to fraction form
    12,053.43/18,048.99 = 8,316.73/x
  3. Step 3: Cross multiply
    12,053.43x = 18,048.99 × 8,316.73
  4. Step 4: Simplify right side
    12,053.43x = 150,108,630.35
  5. Step 5: Solve for x
    x = 150,108,630.35/12,053.43
  6. Step 6: Final answer
    x = 12,453.60

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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.