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Finding the Fourth Proportional to 64,375.28, 88,837.56 and 36,081.08

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Solution

The fourth proportional to 64,375.28, 88,837.56 and 36,081.08 is: 49,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,375.28 : 88,837.56 = 36,081.08 : x
  2. Step 2: Convert to fraction form
    64,375.28/88,837.56 = 36,081.08/x
  3. Step 3: Cross multiply
    64,375.28x = 88,837.56 × 36,081.08
  4. Step 4: Simplify right side
    64,375.28x = 3,205,355,109.36
  5. Step 5: Solve for x
    x = 3,205,355,109.36/64,375.28
  6. Step 6: Final answer
    x = 49,791.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.