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Finding the Fourth Proportional to 18,496.80, 27,710.01 and 10,984.44

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Solution

The fourth proportional to 18,496.80, 27,710.01 and 10,984.44 is: 16,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.80 : 27,710.01 = 10,984.44 : x
  2. Step 2: Convert to fraction form
    18,496.80/27,710.01 = 10,984.44/x
  3. Step 3: Cross multiply
    18,496.80x = 27,710.01 × 10,984.44
  4. Step 4: Simplify right side
    18,496.80x = 304,378,942.24
  5. Step 5: Solve for x
    x = 304,378,942.24/18,496.80
  6. Step 6: Final answer
    x = 16,455.76

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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.