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Finding the Fourth Proportional to 8,433.98, 12,653.90 and 3,757.31

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Solution

The fourth proportional to 8,433.98, 12,653.90 and 3,757.31 is: 5,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.98 : 12,653.90 = 3,757.31 : x
  2. Step 2: Convert to fraction form
    8,433.98/12,653.90 = 3,757.31/x
  3. Step 3: Cross multiply
    8,433.98x = 12,653.90 × 3,757.31
  4. Step 4: Simplify right side
    8,433.98x = 47,544,625.01
  5. Step 5: Solve for x
    x = 47,544,625.01/8,433.98
  6. Step 6: Final answer
    x = 5,637.27

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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.