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Finding the Fourth Proportional to 43,274, 64,855.04 and 22,196.56

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Solution

The fourth proportional to 43,274, 64,855.04 and 22,196.56 is: 33,266.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,274 : 64,855.04 = 22,196.56 : x
  2. Step 2: Convert to fraction form
    43,274/64,855.04 = 22,196.56/x
  3. Step 3: Cross multiply
    43,274x = 64,855.04 × 22,196.56
  4. Step 4: Simplify right side
    43,274x = 1,439,558,786.66
  5. Step 5: Solve for x
    x = 1,439,558,786.66/43,274
  6. Step 6: Final answer
    x = 33,266.14

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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.