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Finding the Fourth Proportional to 48,626.48, 72,861.92 and 43,960.88

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Solution

The fourth proportional to 48,626.48, 72,861.92 and 43,960.88 is: 65,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,626.48 : 72,861.92 = 43,960.88 : x
  2. Step 2: Convert to fraction form
    48,626.48/72,861.92 = 43,960.88/x
  3. Step 3: Cross multiply
    48,626.48x = 72,861.92 × 43,960.88
  4. Step 4: Simplify right side
    48,626.48x = 3,203,074,121.69
  5. Step 5: Solve for x
    x = 3,203,074,121.69/48,626.48
  6. Step 6: Final answer
    x = 65,870.98

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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.