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Finding the Fourth Proportional to 53,862, 80,794.44 and 18,323.25

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Solution

The fourth proportional to 53,862, 80,794.44 and 18,323.25 is: 27,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862 : 80,794.44 = 18,323.25 : x
  2. Step 2: Convert to fraction form
    53,862/80,794.44 = 18,323.25/x
  3. Step 3: Cross multiply
    53,862x = 80,794.44 × 18,323.25
  4. Step 4: Simplify right side
    53,862x = 1,480,416,722.73
  5. Step 5: Solve for x
    x = 1,480,416,722.73/53,862
  6. Step 6: Final answer
    x = 27,485.36

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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.