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Finding the Fourth Proportional to 12,496.44, 18,773.82 and 7,305.96

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Solution

The fourth proportional to 12,496.44, 18,773.82 and 7,305.96 is: 10,975.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.44 : 18,773.82 = 7,305.96 : x
  2. Step 2: Convert to fraction form
    12,496.44/18,773.82 = 7,305.96/x
  3. Step 3: Cross multiply
    12,496.44x = 18,773.82 × 7,305.96
  4. Step 4: Simplify right side
    12,496.44x = 137,160,777.97
  5. Step 5: Solve for x
    x = 137,160,777.97/12,496.44
  6. Step 6: Final answer
    x = 10,975.99

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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.