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Finding the Fourth Proportional to 38,250.60, 57,375.60 and 22,657

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Solution

The fourth proportional to 38,250.60, 57,375.60 and 22,657 is: 33,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,250.60 : 57,375.60 = 22,657 : x
  2. Step 2: Convert to fraction form
    38,250.60/57,375.60 = 22,657/x
  3. Step 3: Cross multiply
    38,250.60x = 57,375.60 × 22,657
  4. Step 4: Simplify right side
    38,250.60x = 1,299,958,969.20
  5. Step 5: Solve for x
    x = 1,299,958,969.20/38,250.60
  6. Step 6: Final answer
    x = 33,985.32

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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.