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Finding the Fourth Proportional to 5,440.88, 7,512 and 3,676.56

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Solution

The fourth proportional to 5,440.88, 7,512 and 3,676.56 is: 5,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.88 : 7,512 = 3,676.56 : x
  2. Step 2: Convert to fraction form
    5,440.88/7,512 = 3,676.56/x
  3. Step 3: Cross multiply
    5,440.88x = 7,512 × 3,676.56
  4. Step 4: Simplify right side
    5,440.88x = 27,618,318.72
  5. Step 5: Solve for x
    x = 27,618,318.72/5,440.88
  6. Step 6: Final answer
    x = 5,076.08

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Why These Related Problems?

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