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Finding the Fourth Proportional to 57,540.54, 86,310.80 and 18,101.64

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Solution

The fourth proportional to 57,540.54, 86,310.80 and 18,101.64 is: 27,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,540.54 : 86,310.80 = 18,101.64 : x
  2. Step 2: Convert to fraction form
    57,540.54/86,310.80 = 18,101.64/x
  3. Step 3: Cross multiply
    57,540.54x = 86,310.80 × 18,101.64
  4. Step 4: Simplify right side
    57,540.54x = 1,562,367,029.71
  5. Step 5: Solve for x
    x = 1,562,367,029.71/57,540.54
  6. Step 6: Final answer
    x = 27,152.46

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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.