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Finding the Fourth Proportional to 18,453.44, 27,694.92 and 9,693.52

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Solution

The fourth proportional to 18,453.44, 27,694.92 and 9,693.52 is: 14,548.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.44 : 27,694.92 = 9,693.52 : x
  2. Step 2: Convert to fraction form
    18,453.44/27,694.92 = 9,693.52/x
  3. Step 3: Cross multiply
    18,453.44x = 27,694.92 × 9,693.52
  4. Step 4: Simplify right side
    18,453.44x = 268,461,260.92
  5. Step 5: Solve for x
    x = 268,461,260.92/18,453.44
  6. Step 6: Final answer
    x = 14,548.03

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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.