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Finding the Fourth Proportional to 8,991.54, 13,491.48 and 3,443.04

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Solution

The fourth proportional to 8,991.54, 13,491.48 and 3,443.04 is: 5,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991.54 : 13,491.48 = 3,443.04 : x
  2. Step 2: Convert to fraction form
    8,991.54/13,491.48 = 3,443.04/x
  3. Step 3: Cross multiply
    8,991.54x = 13,491.48 × 3,443.04
  4. Step 4: Simplify right side
    8,991.54x = 46,451,705.30
  5. Step 5: Solve for x
    x = 46,451,705.30/8,991.54
  6. Step 6: Final answer
    x = 5,166.16

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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.