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Finding the Fourth Proportional to 100,532.97, 150,796.76 and 33,972.57

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Solution

The fourth proportional to 100,532.97, 150,796.76 and 33,972.57 is: 50,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,532.97 : 150,796.76 = 33,972.57 : x
  2. Step 2: Convert to fraction form
    100,532.97/150,796.76 = 33,972.57/x
  3. Step 3: Cross multiply
    100,532.97x = 150,796.76 × 33,972.57
  4. Step 4: Simplify right side
    100,532.97x = 5,122,953,315.01
  5. Step 5: Solve for x
    x = 5,122,953,315.01/100,532.97
  6. Step 6: Final answer
    x = 50,957.94

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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.