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Finding the Fourth Proportional to 33,295.79, 49,945.61 and 12,519.47

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Solution

The fourth proportional to 33,295.79, 49,945.61 and 12,519.47 is: 18,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,295.79 : 49,945.61 = 12,519.47 : x
  2. Step 2: Convert to fraction form
    33,295.79/49,945.61 = 12,519.47/x
  3. Step 3: Cross multiply
    33,295.79x = 49,945.61 × 12,519.47
  4. Step 4: Simplify right side
    33,295.79x = 625,292,503.43
  5. Step 5: Solve for x
    x = 625,292,503.43/33,295.79
  6. Step 6: Final answer
    x = 18,779.93

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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.