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Finding the Fourth Proportional to 33,266.80, 49,827.30 and 28,892.80

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Solution

The fourth proportional to 33,266.80, 49,827.30 and 28,892.80 is: 43,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,266.80 : 49,827.30 = 28,892.80 : x
  2. Step 2: Convert to fraction form
    33,266.80/49,827.30 = 28,892.80/x
  3. Step 3: Cross multiply
    33,266.80x = 49,827.30 × 28,892.80
  4. Step 4: Simplify right side
    33,266.80x = 1,439,650,213.44
  5. Step 5: Solve for x
    x = 1,439,650,213.44/33,266.80
  6. Step 6: Final answer
    x = 43,275.89

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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.