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Finding the Fourth Proportional to 43,884.40, 65,679.16 and 36,503.68

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Solution

The fourth proportional to 43,884.40, 65,679.16 and 36,503.68 is: 54,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,884.40 : 65,679.16 = 36,503.68 : x
  2. Step 2: Convert to fraction form
    43,884.40/65,679.16 = 36,503.68/x
  3. Step 3: Cross multiply
    43,884.40x = 65,679.16 × 36,503.68
  4. Step 4: Simplify right side
    43,884.40x = 2,397,531,039.31
  5. Step 5: Solve for x
    x = 2,397,531,039.31/43,884.40
  6. Step 6: Final answer
    x = 54,632.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.