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Finding the Fourth Proportional to 33,172.70, 49,649.70 and 23,331.20

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Solution

The fourth proportional to 33,172.70, 49,649.70 and 23,331.20 is: 34,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.70 : 49,649.70 = 23,331.20 : x
  2. Step 2: Convert to fraction form
    33,172.70/49,649.70 = 23,331.20/x
  3. Step 3: Cross multiply
    33,172.70x = 49,649.70 × 23,331.20
  4. Step 4: Simplify right side
    33,172.70x = 1,158,387,080.64
  5. Step 5: Solve for x
    x = 1,158,387,080.64/33,172.70
  6. Step 6: Final answer
    x = 34,919.89

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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.