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Finding the Fourth Proportional to 5,361.12, 8,044 and 2,076.56

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Solution

The fourth proportional to 5,361.12, 8,044 and 2,076.56 is: 3,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.12 : 8,044 = 2,076.56 : x
  2. Step 2: Convert to fraction form
    5,361.12/8,044 = 2,076.56/x
  3. Step 3: Cross multiply
    5,361.12x = 8,044 × 2,076.56
  4. Step 4: Simplify right side
    5,361.12x = 16,703,848.64
  5. Step 5: Solve for x
    x = 16,703,848.64/5,361.12
  6. Step 6: Final answer
    x = 3,115.74

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Why These Related Problems?

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