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Finding the Fourth Proportional to 50,653.30, 75,990.87 and 27,274.30

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Solution

The fourth proportional to 50,653.30, 75,990.87 and 27,274.30 is: 40,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,653.30 : 75,990.87 = 27,274.30 : x
  2. Step 2: Convert to fraction form
    50,653.30/75,990.87 = 27,274.30/x
  3. Step 3: Cross multiply
    50,653.30x = 75,990.87 × 27,274.30
  4. Step 4: Simplify right side
    50,653.30x = 2,072,597,785.64
  5. Step 5: Solve for x
    x = 2,072,597,785.64/50,653.30
  6. Step 6: Final answer
    x = 40,917.33

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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.