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Finding the Fourth Proportional to 54,375.60, 81,575.40 and 22,354.58

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Solution

The fourth proportional to 54,375.60, 81,575.40 and 22,354.58 is: 33,536.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,375.60 : 81,575.40 = 22,354.58 : x
  2. Step 2: Convert to fraction form
    54,375.60/81,575.40 = 22,354.58/x
  3. Step 3: Cross multiply
    54,375.60x = 81,575.40 × 22,354.58
  4. Step 4: Simplify right side
    54,375.60x = 1,823,584,093.10
  5. Step 5: Solve for x
    x = 1,823,584,093.10/54,375.60
  6. Step 6: Final answer
    x = 33,536.81

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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.