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Finding the Fourth Proportional to 7,625.34, 10,531.20 and 5,241.62

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Solution

The fourth proportional to 7,625.34, 10,531.20 and 5,241.62 is: 7,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.34 : 10,531.20 = 5,241.62 : x
  2. Step 2: Convert to fraction form
    7,625.34/10,531.20 = 5,241.62/x
  3. Step 3: Cross multiply
    7,625.34x = 10,531.20 × 5,241.62
  4. Step 4: Simplify right side
    7,625.34x = 55,200,548.54
  5. Step 5: Solve for x
    x = 55,200,548.54/7,625.34
  6. Step 6: Final answer
    x = 7,239.09

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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.