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Finding the Fourth Proportional to 66,179.57, 91,327.50 and 35,964.32

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Solution

The fourth proportional to 66,179.57, 91,327.50 and 35,964.32 is: 49,630.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,179.57 : 91,327.50 = 35,964.32 : x
  2. Step 2: Convert to fraction form
    66,179.57/91,327.50 = 35,964.32/x
  3. Step 3: Cross multiply
    66,179.57x = 91,327.50 × 35,964.32
  4. Step 4: Simplify right side
    66,179.57x = 3,284,530,978.16
  5. Step 5: Solve for x
    x = 3,284,530,978.16/66,179.57
  6. Step 6: Final answer
    x = 49,630.59

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1.5x scale

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.