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Finding the Fourth Proportional to 61,241.47, 91,863.11 and 21,797.56

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Solution

The fourth proportional to 61,241.47, 91,863.11 and 21,797.56 is: 32,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,241.47 : 91,863.11 = 21,797.56 : x
  2. Step 2: Convert to fraction form
    61,241.47/91,863.11 = 21,797.56/x
  3. Step 3: Cross multiply
    61,241.47x = 91,863.11 × 21,797.56
  4. Step 4: Simplify right side
    61,241.47x = 2,002,391,304.60
  5. Step 5: Solve for x
    x = 2,002,391,304.60/61,241.47
  6. Step 6: Final answer
    x = 32,696.66

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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.