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Finding the Fourth Proportional to 55,308.60, 82,992.06 and 33,166.44

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Solution

The fourth proportional to 55,308.60, 82,992.06 and 33,166.44 is: 49,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,308.60 : 82,992.06 = 33,166.44 : x
  2. Step 2: Convert to fraction form
    55,308.60/82,992.06 = 33,166.44/x
  3. Step 3: Cross multiply
    55,308.60x = 82,992.06 × 33,166.44
  4. Step 4: Simplify right side
    55,308.60x = 2,752,551,178.47
  5. Step 5: Solve for x
    x = 2,752,551,178.47/55,308.60
  6. Step 6: Final answer
    x = 49,767.15

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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.