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Finding the Fourth Proportional to 52,936.97, 79,415.61 and 21,350.22

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Solution

The fourth proportional to 52,936.97, 79,415.61 and 21,350.22 is: 32,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,936.97 : 79,415.61 = 21,350.22 : x
  2. Step 2: Convert to fraction form
    52,936.97/79,415.61 = 21,350.22/x
  3. Step 3: Cross multiply
    52,936.97x = 79,415.61 × 21,350.22
  4. Step 4: Simplify right side
    52,936.97x = 1,695,540,367.06
  5. Step 5: Solve for x
    x = 1,695,540,367.06/52,936.97
  6. Step 6: Final answer
    x = 32,029.42

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1.5x scale

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.