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Finding the Fourth Proportional to 66,449.79, 99,674.55 and 26,997.66

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Solution

The fourth proportional to 66,449.79, 99,674.55 and 26,997.66 is: 40,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,449.79 : 99,674.55 = 26,997.66 : x
  2. Step 2: Convert to fraction form
    66,449.79/99,674.55 = 26,997.66/x
  3. Step 3: Cross multiply
    66,449.79x = 99,674.55 × 26,997.66
  4. Step 4: Simplify right side
    66,449.79x = 2,690,979,611.55
  5. Step 5: Solve for x
    x = 2,690,979,611.55/66,449.79
  6. Step 6: Final answer
    x = 40,496.44

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Similar ratio
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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.