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Finding the Fourth Proportional to 55,392.30, 83,100.60 and 27,325.80

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Solution

The fourth proportional to 55,392.30, 83,100.60 and 27,325.80 is: 40,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,392.30 : 83,100.60 = 27,325.80 : x
  2. Step 2: Convert to fraction form
    55,392.30/83,100.60 = 27,325.80/x
  3. Step 3: Cross multiply
    55,392.30x = 83,100.60 × 27,325.80
  4. Step 4: Simplify right side
    55,392.30x = 2,270,790,375.48
  5. Step 5: Solve for x
    x = 2,270,790,375.48/55,392.30
  6. Step 6: Final answer
    x = 40,994.69

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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.