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Finding the Fourth Proportional to 53,855.38, 80,794 and 22,690.63

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Solution

The fourth proportional to 53,855.38, 80,794 and 22,690.63 is: 34,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,855.38 : 80,794 = 22,690.63 : x
  2. Step 2: Convert to fraction form
    53,855.38/80,794 = 22,690.63/x
  3. Step 3: Cross multiply
    53,855.38x = 80,794 × 22,690.63
  4. Step 4: Simplify right side
    53,855.38x = 1,833,266,356.25
  5. Step 5: Solve for x
    x = 1,833,266,356.25/53,855.38
  6. Step 6: Final answer
    x = 34,040.55

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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.