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Finding the Fourth Proportional to 43,469.52, 65,202.03 and 12,304.86

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Solution

The fourth proportional to 43,469.52, 65,202.03 and 12,304.86 is: 18,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,469.52 : 65,202.03 = 12,304.86 : x
  2. Step 2: Convert to fraction form
    43,469.52/65,202.03 = 12,304.86/x
  3. Step 3: Cross multiply
    43,469.52x = 65,202.03 × 12,304.86
  4. Step 4: Simplify right side
    43,469.52x = 802,301,850.87
  5. Step 5: Solve for x
    x = 802,301,850.87/43,469.52
  6. Step 6: Final answer
    x = 18,456.65

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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.