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Finding the Fourth Proportional to 11,748.08, 17,624.90 and 3,956.90

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Solution

The fourth proportional to 11,748.08, 17,624.90 and 3,956.90 is: 5,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.08 : 17,624.90 = 3,956.90 : x
  2. Step 2: Convert to fraction form
    11,748.08/17,624.90 = 3,956.90/x
  3. Step 3: Cross multiply
    11,748.08x = 17,624.90 × 3,956.90
  4. Step 4: Simplify right side
    11,748.08x = 69,739,858.90
  5. Step 5: Solve for x
    x = 69,739,858.90/11,748.08
  6. Step 6: Final answer
    x = 5,936.28

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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.