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Finding the Fourth Proportional to 18,494.63, 27,748.92 and 11,104.25

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Solution

The fourth proportional to 18,494.63, 27,748.92 and 11,104.25 is: 16,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494.63 : 27,748.92 = 11,104.25 : x
  2. Step 2: Convert to fraction form
    18,494.63/27,748.92 = 11,104.25/x
  3. Step 3: Cross multiply
    18,494.63x = 27,748.92 × 11,104.25
  4. Step 4: Simplify right side
    18,494.63x = 308,130,806.17
  5. Step 5: Solve for x
    x = 308,130,806.17/18,494.63
  6. Step 6: Final answer
    x = 16,660.56

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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.