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Finding the Fourth Proportional to 65,241.96, 90,033.94 and 35,433.96

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Solution

The fourth proportional to 65,241.96, 90,033.94 and 35,433.96 is: 48,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,241.96 : 90,033.94 = 35,433.96 : x
  2. Step 2: Convert to fraction form
    65,241.96/90,033.94 = 35,433.96/x
  3. Step 3: Cross multiply
    65,241.96x = 90,033.94 × 35,433.96
  4. Step 4: Simplify right side
    65,241.96x = 3,190,259,028.60
  5. Step 5: Solve for x
    x = 3,190,259,028.60/65,241.96
  6. Step 6: Final answer
    x = 48,898.88

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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.