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Finding the Fourth Proportional to 8,373.72, 12,550.84 and 3,747

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Solution

The fourth proportional to 8,373.72, 12,550.84 and 3,747 is: 5,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.72 : 12,550.84 = 3,747 : x
  2. Step 2: Convert to fraction form
    8,373.72/12,550.84 = 3,747/x
  3. Step 3: Cross multiply
    8,373.72x = 12,550.84 × 3,747
  4. Step 4: Simplify right side
    8,373.72x = 47,027,997.48
  5. Step 5: Solve for x
    x = 47,027,997.48/8,373.72
  6. Step 6: Final answer
    x = 5,616.14

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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.