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Finding the Fourth Proportional to 64,480.26, 88,982.76 and 36,185.94

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Solution

The fourth proportional to 64,480.26, 88,982.76 and 36,185.94 is: 49,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,480.26 : 88,982.76 = 36,185.94 : x
  2. Step 2: Convert to fraction form
    64,480.26/88,982.76 = 36,185.94/x
  3. Step 3: Cross multiply
    64,480.26x = 88,982.76 × 36,185.94
  4. Step 4: Simplify right side
    64,480.26x = 3,219,924,814.39
  5. Step 5: Solve for x
    x = 3,219,924,814.39/64,480.26
  6. Step 6: Final answer
    x = 49,936.60

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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.