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Finding the Fourth Proportional to 33,251.70, 49,810.35 and 20,733.30

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Solution

The fourth proportional to 33,251.70, 49,810.35 and 20,733.30 is: 31,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,251.70 : 49,810.35 = 20,733.30 : x
  2. Step 2: Convert to fraction form
    33,251.70/49,810.35 = 20,733.30/x
  3. Step 3: Cross multiply
    33,251.70x = 49,810.35 × 20,733.30
  4. Step 4: Simplify right side
    33,251.70x = 1,032,732,929.66
  5. Step 5: Solve for x
    x = 1,032,732,929.66/33,251.70
  6. Step 6: Final answer
    x = 31,058.05

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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.