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Finding the Fourth Proportional to 7,512.88, 11,241.42 and 4,726.54

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Solution

The fourth proportional to 7,512.88, 11,241.42 and 4,726.54 is: 7,072.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.88 : 11,241.42 = 4,726.54 : x
  2. Step 2: Convert to fraction form
    7,512.88/11,241.42 = 4,726.54/x
  3. Step 3: Cross multiply
    7,512.88x = 11,241.42 × 4,726.54
  4. Step 4: Simplify right side
    7,512.88x = 53,133,021.29
  5. Step 5: Solve for x
    x = 53,133,021.29/7,512.88
  6. Step 6: Final answer
    x = 7,072.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.