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Finding the Fourth Proportional to 43,322.75, 64,836.26 and 36,310.68

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Solution

The fourth proportional to 43,322.75, 64,836.26 and 36,310.68 is: 54,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,322.75 : 64,836.26 = 36,310.68 : x
  2. Step 2: Convert to fraction form
    43,322.75/64,836.26 = 36,310.68/x
  3. Step 3: Cross multiply
    43,322.75x = 64,836.26 × 36,310.68
  4. Step 4: Simplify right side
    43,322.75x = 2,354,248,507.70
  5. Step 5: Solve for x
    x = 2,354,248,507.70/43,322.75
  6. Step 6: Final answer
    x = 54,342.09

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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.