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Finding the Fourth Proportional to 12,375.81, 17,077.33 and 7,595.96

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Solution

The fourth proportional to 12,375.81, 17,077.33 and 7,595.96 is: 10,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.81 : 17,077.33 = 7,595.96 : x
  2. Step 2: Convert to fraction form
    12,375.81/17,077.33 = 7,595.96/x
  3. Step 3: Cross multiply
    12,375.81x = 17,077.33 × 7,595.96
  4. Step 4: Simplify right side
    12,375.81x = 129,718,715.59
  5. Step 5: Solve for x
    x = 129,718,715.59/12,375.81
  6. Step 6: Final answer
    x = 10,481.63

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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.