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Finding the Fourth Proportional to 33,420, 50,110.56 and 14,699.52

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Solution

The fourth proportional to 33,420, 50,110.56 and 14,699.52 is: 22,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,420 : 50,110.56 = 14,699.52 : x
  2. Step 2: Convert to fraction form
    33,420/50,110.56 = 14,699.52/x
  3. Step 3: Cross multiply
    33,420x = 50,110.56 × 14,699.52
  4. Step 4: Simplify right side
    33,420x = 736,601,178.93
  5. Step 5: Solve for x
    x = 736,601,178.93/33,420
  6. Step 6: Final answer
    x = 22,040.73

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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.