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Finding the Fourth Proportional to 5,361.74, 8,043.15 and 1,851.29

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Solution

The fourth proportional to 5,361.74, 8,043.15 and 1,851.29 is: 2,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.74 : 8,043.15 = 1,851.29 : x
  2. Step 2: Convert to fraction form
    5,361.74/8,043.15 = 1,851.29/x
  3. Step 3: Cross multiply
    5,361.74x = 8,043.15 × 1,851.29
  4. Step 4: Simplify right side
    5,361.74x = 14,890,200.05
  5. Step 5: Solve for x
    x = 14,890,200.05/5,361.74
  6. Step 6: Final answer
    x = 2,777.12

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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.