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Finding the Fourth Proportional to 55,768.88, 83,633.88 and 22,480.31

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Solution

The fourth proportional to 55,768.88, 83,633.88 and 22,480.31 is: 33,712.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,768.88 : 83,633.88 = 22,480.31 : x
  2. Step 2: Convert to fraction form
    55,768.88/83,633.88 = 22,480.31/x
  3. Step 3: Cross multiply
    55,768.88x = 83,633.88 × 22,480.31
  4. Step 4: Simplify right side
    55,768.88x = 1,880,115,548.90
  5. Step 5: Solve for x
    x = 1,880,115,548.90/55,768.88
  6. Step 6: Final answer
    x = 33,712.63

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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.