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Finding the Fourth Proportional to 18,495.92, 27,752.97 and 11,474.12

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Solution

The fourth proportional to 18,495.92, 27,752.97 and 11,474.12 is: 17,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.92 : 27,752.97 = 11,474.12 : x
  2. Step 2: Convert to fraction form
    18,495.92/27,752.97 = 11,474.12/x
  3. Step 3: Cross multiply
    18,495.92x = 27,752.97 × 11,474.12
  4. Step 4: Simplify right side
    18,495.92x = 318,440,769.37
  5. Step 5: Solve for x
    x = 318,440,769.37/18,495.92
  6. Step 6: Final answer
    x = 17,216.82

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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.