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Finding the Fourth Proportional to 33,904.36, 50,862.42 and 11,412.90

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Solution

The fourth proportional to 33,904.36, 50,862.42 and 11,412.90 is: 17,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,904.36 : 50,862.42 = 11,412.90 : x
  2. Step 2: Convert to fraction form
    33,904.36/50,862.42 = 11,412.90/x
  3. Step 3: Cross multiply
    33,904.36x = 50,862.42 × 11,412.90
  4. Step 4: Simplify right side
    33,904.36x = 580,487,713.22
  5. Step 5: Solve for x
    x = 580,487,713.22/33,904.36
  6. Step 6: Final answer
    x = 17,121.33

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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.