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Finding the Fourth Proportional to 43,375.88, 64,959.60 and 37,100

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Solution

The fourth proportional to 43,375.88, 64,959.60 and 37,100 is: 55,560.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,375.88 : 64,959.60 = 37,100 : x
  2. Step 2: Convert to fraction form
    43,375.88/64,959.60 = 37,100/x
  3. Step 3: Cross multiply
    43,375.88x = 64,959.60 × 37,100
  4. Step 4: Simplify right side
    43,375.88x = 2,410,001,160
  5. Step 5: Solve for x
    x = 2,410,001,160/43,375.88
  6. Step 6: Final answer
    x = 55,560.86

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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.