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Finding the Fourth Proportional to 71,965.64, 107,949.72 and 27,594.92

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Solution

The fourth proportional to 71,965.64, 107,949.72 and 27,594.92 is: 41,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,965.64 : 107,949.72 = 27,594.92 : x
  2. Step 2: Convert to fraction form
    71,965.64/107,949.72 = 27,594.92/x
  3. Step 3: Cross multiply
    71,965.64x = 107,949.72 × 27,594.92
  4. Step 4: Simplify right side
    71,965.64x = 2,978,863,887.42
  5. Step 5: Solve for x
    x = 2,978,863,887.42/71,965.64
  6. Step 6: Final answer
    x = 41,392.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.