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Finding the Fourth Proportional to 33,251.60, 49,852.60 and 20,101.20

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Solution

The fourth proportional to 33,251.60, 49,852.60 and 20,101.20 is: 30,136.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,251.60 : 49,852.60 = 20,101.20 : x
  2. Step 2: Convert to fraction form
    33,251.60/49,852.60 = 20,101.20/x
  3. Step 3: Cross multiply
    33,251.60x = 49,852.60 × 20,101.20
  4. Step 4: Simplify right side
    33,251.60x = 1,002,097,083.12
  5. Step 5: Solve for x
    x = 1,002,097,083.12/33,251.60
  6. Step 6: Final answer
    x = 30,136.81

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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.