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Finding the Fourth Proportional to 6,367.43, 8,787.41 and 3,849.53

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Solution

The fourth proportional to 6,367.43, 8,787.41 and 3,849.53 is: 5,312.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.43 : 8,787.41 = 3,849.53 : x
  2. Step 2: Convert to fraction form
    6,367.43/8,787.41 = 3,849.53/x
  3. Step 3: Cross multiply
    6,367.43x = 8,787.41 × 3,849.53
  4. Step 4: Simplify right side
    6,367.43x = 33,827,398.42
  5. Step 5: Solve for x
    x = 33,827,398.42/6,367.43
  6. Step 6: Final answer
    x = 5,312.57

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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.