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Finding the Fourth Proportional to 48,999.75, 73,500 and 12,063.75

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Solution

The fourth proportional to 48,999.75, 73,500 and 12,063.75 is: 18,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,999.75 : 73,500 = 12,063.75 : x
  2. Step 2: Convert to fraction form
    48,999.75/73,500 = 12,063.75/x
  3. Step 3: Cross multiply
    48,999.75x = 73,500 × 12,063.75
  4. Step 4: Simplify right side
    48,999.75x = 886,685,625
  5. Step 5: Solve for x
    x = 886,685,625/48,999.75
  6. Step 6: Final answer
    x = 18,095.72

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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.