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Finding the Fourth Proportional to 51,630.64, 71,239.40 and 33,751.96

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Solution

The fourth proportional to 51,630.64, 71,239.40 and 33,751.96 is: 46,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,630.64 : 71,239.40 = 33,751.96 : x
  2. Step 2: Convert to fraction form
    51,630.64/71,239.40 = 33,751.96/x
  3. Step 3: Cross multiply
    51,630.64x = 71,239.40 × 33,751.96
  4. Step 4: Simplify right side
    51,630.64x = 2,404,469,379.22
  5. Step 5: Solve for x
    x = 2,404,469,379.22/51,630.64
  6. Step 6: Final answer
    x = 46,570.59

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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.