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Finding the Fourth Proportional to 55,296.72, 82,893.60 and 22,010.40

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Solution

The fourth proportional to 55,296.72, 82,893.60 and 22,010.40 is: 32,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296.72 : 82,893.60 = 22,010.40 : x
  2. Step 2: Convert to fraction form
    55,296.72/82,893.60 = 22,010.40/x
  3. Step 3: Cross multiply
    55,296.72x = 82,893.60 × 22,010.40
  4. Step 4: Simplify right side
    55,296.72x = 1,824,521,293.44
  5. Step 5: Solve for x
    x = 1,824,521,293.44/55,296.72
  6. Step 6: Final answer
    x = 32,995.11

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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.