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Finding the Fourth Proportional to 48,794.40, 73,191.60 and 47,861.28

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Solution

The fourth proportional to 48,794.40, 73,191.60 and 47,861.28 is: 71,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,794.40 : 73,191.60 = 47,861.28 : x
  2. Step 2: Convert to fraction form
    48,794.40/73,191.60 = 47,861.28/x
  3. Step 3: Cross multiply
    48,794.40x = 73,191.60 × 47,861.28
  4. Step 4: Simplify right side
    48,794.40x = 3,503,043,661.25
  5. Step 5: Solve for x
    x = 3,503,043,661.25/48,794.40
  6. Step 6: Final answer
    x = 71,791.92

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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.