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Finding the Fourth Proportional to 18,040.76, 24,896.41 and 9,974.30

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Solution

The fourth proportional to 18,040.76, 24,896.41 and 9,974.30 is: 13,764.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.76 : 24,896.41 = 9,974.30 : x
  2. Step 2: Convert to fraction form
    18,040.76/24,896.41 = 9,974.30/x
  3. Step 3: Cross multiply
    18,040.76x = 24,896.41 × 9,974.30
  4. Step 4: Simplify right side
    18,040.76x = 248,324,112.85
  5. Step 5: Solve for x
    x = 248,324,112.85/18,040.76
  6. Step 6: Final answer
    x = 13,764.62

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.