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Finding the Fourth Proportional to 66,087.94, 91,201.43 and 35,873.25

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Solution

The fourth proportional to 66,087.94, 91,201.43 and 35,873.25 is: 49,505.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,087.94 : 91,201.43 = 35,873.25 : x
  2. Step 2: Convert to fraction form
    66,087.94/91,201.43 = 35,873.25/x
  3. Step 3: Cross multiply
    66,087.94x = 91,201.43 × 35,873.25
  4. Step 4: Simplify right side
    66,087.94x = 3,271,691,698.75
  5. Step 5: Solve for x
    x = 3,271,691,698.75/66,087.94
  6. Step 6: Final answer
    x = 49,505.12

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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.