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Finding the Fourth Proportional to 5,538.82, 7,676.56 and 5,435.14

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Solution

The fourth proportional to 5,538.82, 7,676.56 and 5,435.14 is: 7,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.82 : 7,676.56 = 5,435.14 : x
  2. Step 2: Convert to fraction form
    5,538.82/7,676.56 = 5,435.14/x
  3. Step 3: Cross multiply
    5,538.82x = 7,676.56 × 5,435.14
  4. Step 4: Simplify right side
    5,538.82x = 41,723,178.32
  5. Step 5: Solve for x
    x = 41,723,178.32/5,538.82
  6. Step 6: Final answer
    x = 7,532.86

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.