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Finding the Fourth Proportional to 67,672.72, 101,506.08 and 17,751.68

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Solution

The fourth proportional to 67,672.72, 101,506.08 and 17,751.68 is: 26,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,672.72 : 101,506.08 = 17,751.68 : x
  2. Step 2: Convert to fraction form
    67,672.72/101,506.08 = 17,751.68/x
  3. Step 3: Cross multiply
    67,672.72x = 101,506.08 × 17,751.68
  4. Step 4: Simplify right side
    67,672.72x = 1,801,903,450.21
  5. Step 5: Solve for x
    x = 1,801,903,450.21/67,672.72
  6. Step 6: Final answer
    x = 26,626.73

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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.