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Finding the Fourth Proportional to 64,133.25, 88,505.78 and 35,839.01

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Solution

The fourth proportional to 64,133.25, 88,505.78 and 35,839.01 is: 49,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,133.25 : 88,505.78 = 35,839.01 : x
  2. Step 2: Convert to fraction form
    64,133.25/88,505.78 = 35,839.01/x
  3. Step 3: Cross multiply
    64,133.25x = 88,505.78 × 35,839.01
  4. Step 4: Simplify right side
    64,133.25x = 3,171,958,912.75
  5. Step 5: Solve for x
    x = 3,171,958,912.75/64,133.25
  6. Step 6: Final answer
    x = 49,458.88

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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.