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Finding the Fourth Proportional to 43,318.84, 64,910.22 and 33,482.20

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Solution

The fourth proportional to 43,318.84, 64,910.22 and 33,482.20 is: 50,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,318.84 : 64,910.22 = 33,482.20 : x
  2. Step 2: Convert to fraction form
    43,318.84/64,910.22 = 33,482.20/x
  3. Step 3: Cross multiply
    43,318.84x = 64,910.22 × 33,482.20
  4. Step 4: Simplify right side
    43,318.84x = 2,173,336,968.08
  5. Step 5: Solve for x
    x = 2,173,336,968.08/43,318.84
  6. Step 6: Final answer
    x = 50,170.71

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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.