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Finding the Fourth Proportional to 63,167.12, 94,647 and 21,591.44

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Solution

The fourth proportional to 63,167.12, 94,647 and 21,591.44 is: 32,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,167.12 : 94,647 = 21,591.44 : x
  2. Step 2: Convert to fraction form
    63,167.12/94,647 = 21,591.44/x
  3. Step 3: Cross multiply
    63,167.12x = 94,647 × 21,591.44
  4. Step 4: Simplify right side
    63,167.12x = 2,043,565,021.68
  5. Step 5: Solve for x
    x = 2,043,565,021.68/63,167.12
  6. Step 6: Final answer
    x = 32,351.72

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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.