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Finding the Fourth Proportional to 33,400.90, 50,101.35 and 15,904.90

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Solution

The fourth proportional to 33,400.90, 50,101.35 and 15,904.90 is: 23,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,400.90 : 50,101.35 = 15,904.90 : x
  2. Step 2: Convert to fraction form
    33,400.90/50,101.35 = 15,904.90/x
  3. Step 3: Cross multiply
    33,400.90x = 50,101.35 × 15,904.90
  4. Step 4: Simplify right side
    33,400.90x = 796,856,961.62
  5. Step 5: Solve for x
    x = 796,856,961.62/33,400.90
  6. Step 6: Final answer
    x = 23,857.35

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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.