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Finding the Fourth Proportional to 43,865.62, 65,797.35 and 13,881.94

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Solution

The fourth proportional to 43,865.62, 65,797.35 and 13,881.94 is: 20,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,865.62 : 65,797.35 = 13,881.94 : x
  2. Step 2: Convert to fraction form
    43,865.62/65,797.35 = 13,881.94/x
  3. Step 3: Cross multiply
    43,865.62x = 65,797.35 × 13,881.94
  4. Step 4: Simplify right side
    43,865.62x = 913,394,864.86
  5. Step 5: Solve for x
    x = 913,394,864.86/43,865.62
  6. Step 6: Final answer
    x = 20,822.57

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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.