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Finding the Fourth Proportional to 33,703.52, 50,519.70 and 12,629.79

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Solution

The fourth proportional to 33,703.52, 50,519.70 and 12,629.79 is: 18,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,703.52 : 50,519.70 = 12,629.79 : x
  2. Step 2: Convert to fraction form
    33,703.52/50,519.70 = 12,629.79/x
  3. Step 3: Cross multiply
    33,703.52x = 50,519.70 × 12,629.79
  4. Step 4: Simplify right side
    33,703.52x = 638,053,201.86
  5. Step 5: Solve for x
    x = 638,053,201.86/33,703.52
  6. Step 6: Final answer
    x = 18,931.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.