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Finding the Fourth Proportional to 8,673.94, 13,018.20 and 3,747.34

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Solution

The fourth proportional to 8,673.94, 13,018.20 and 3,747.34 is: 5,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.94 : 13,018.20 = 3,747.34 : x
  2. Step 2: Convert to fraction form
    8,673.94/13,018.20 = 3,747.34/x
  3. Step 3: Cross multiply
    8,673.94x = 13,018.20 × 3,747.34
  4. Step 4: Simplify right side
    8,673.94x = 48,783,621.59
  5. Step 5: Solve for x
    x = 48,783,621.59/8,673.94
  6. Step 6: Final answer
    x = 5,624.16

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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.