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Finding the Fourth Proportional to 18,313.77, 27,418.77 and 12,054.96

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Solution

The fourth proportional to 18,313.77, 27,418.77 and 12,054.96 is: 18,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.77 : 27,418.77 = 12,054.96 : x
  2. Step 2: Convert to fraction form
    18,313.77/27,418.77 = 12,054.96/x
  3. Step 3: Cross multiply
    18,313.77x = 27,418.77 × 12,054.96
  4. Step 4: Simplify right side
    18,313.77x = 330,532,175.60
  5. Step 5: Solve for x
    x = 330,532,175.60/18,313.77
  6. Step 6: Final answer
    x = 18,048.29

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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.