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Finding the Fourth Proportional to 11,725.56, 16,181.78 and 7,008.93

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Solution

The fourth proportional to 11,725.56, 16,181.78 and 7,008.93 is: 9,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.56 : 16,181.78 = 7,008.93 : x
  2. Step 2: Convert to fraction form
    11,725.56/16,181.78 = 7,008.93/x
  3. Step 3: Cross multiply
    11,725.56x = 16,181.78 × 7,008.93
  4. Step 4: Simplify right side
    11,725.56x = 113,416,928.25
  5. Step 5: Solve for x
    x = 113,416,928.25/11,725.56
  6. Step 6: Final answer
    x = 9,672.62

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