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Finding the Fourth Proportional to 51,990.92, 71,706.64 and 44,832.68

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Solution

The fourth proportional to 51,990.92, 71,706.64 and 44,832.68 is: 61,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990.92 : 71,706.64 = 44,832.68 : x
  2. Step 2: Convert to fraction form
    51,990.92/71,706.64 = 44,832.68/x
  3. Step 3: Cross multiply
    51,990.92x = 71,706.64 × 44,832.68
  4. Step 4: Simplify right side
    51,990.92x = 3,214,800,845.00
  5. Step 5: Solve for x
    x = 3,214,800,845.00/51,990.92
  6. Step 6: Final answer
    x = 61,833.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.