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Finding the Fourth Proportional to 33,888, 50,864.40 and 14,161.32

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Solution

The fourth proportional to 33,888, 50,864.40 and 14,161.32 is: 21,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,888 : 50,864.40 = 14,161.32 : x
  2. Step 2: Convert to fraction form
    33,888/50,864.40 = 14,161.32/x
  3. Step 3: Cross multiply
    33,888x = 50,864.40 × 14,161.32
  4. Step 4: Simplify right side
    33,888x = 720,307,045.01
  5. Step 5: Solve for x
    x = 720,307,045.01/33,888
  6. Step 6: Final answer
    x = 21,255.52

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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.