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Finding the Fourth Proportional to 64,181.64, 88,597.62 and 39,039.88

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Solution

The fourth proportional to 64,181.64, 88,597.62 and 39,039.88 is: 53,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,181.64 : 88,597.62 = 39,039.88 : x
  2. Step 2: Convert to fraction form
    64,181.64/88,597.62 = 39,039.88/x
  3. Step 3: Cross multiply
    64,181.64x = 88,597.62 × 39,039.88
  4. Step 4: Simplify right side
    64,181.64x = 3,458,840,453.09
  5. Step 5: Solve for x
    x = 3,458,840,453.09/64,181.64
  6. Step 6: Final answer
    x = 53,891.43

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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.