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Finding the Fourth Proportional to 44,448.11, 66,667.04 and 11,165.65

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Solution

The fourth proportional to 44,448.11, 66,667.04 and 11,165.65 is: 16,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,448.11 : 66,667.04 = 11,165.65 : x
  2. Step 2: Convert to fraction form
    44,448.11/66,667.04 = 11,165.65/x
  3. Step 3: Cross multiply
    44,448.11x = 66,667.04 × 11,165.65
  4. Step 4: Simplify right side
    44,448.11x = 744,380,654.55
  5. Step 5: Solve for x
    x = 744,380,654.55/44,448.11
  6. Step 6: Final answer
    x = 16,747.18

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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.