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Finding the Fourth Proportional to 33,480.54, 50,230.53 and 18,700.47

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Solution

The fourth proportional to 33,480.54, 50,230.53 and 18,700.47 is: 28,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,480.54 : 50,230.53 = 18,700.47 : x
  2. Step 2: Convert to fraction form
    33,480.54/50,230.53 = 18,700.47/x
  3. Step 3: Cross multiply
    33,480.54x = 50,230.53 × 18,700.47
  4. Step 4: Simplify right side
    33,480.54x = 939,334,519.35
  5. Step 5: Solve for x
    x = 939,334,519.35/33,480.54
  6. Step 6: Final answer
    x = 28,056.13

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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.