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Finding the Fourth Proportional to 71,495.37, 98,668.28 and 41,281.97

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Solution

The fourth proportional to 71,495.37, 98,668.28 and 41,281.97 is: 56,971.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,495.37 : 98,668.28 = 41,281.97 : x
  2. Step 2: Convert to fraction form
    71,495.37/98,668.28 = 41,281.97/x
  3. Step 3: Cross multiply
    71,495.37x = 98,668.28 × 41,281.97
  4. Step 4: Simplify right side
    71,495.37x = 4,073,220,584.78
  5. Step 5: Solve for x
    x = 4,073,220,584.78/71,495.37
  6. Step 6: Final answer
    x = 56,971.81

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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.