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Finding the Fourth Proportional to 47,884.56, 71,839.80 and 16,722.24

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Solution

The fourth proportional to 47,884.56, 71,839.80 and 16,722.24 is: 25,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,884.56 : 71,839.80 = 16,722.24 : x
  2. Step 2: Convert to fraction form
    47,884.56/71,839.80 = 16,722.24/x
  3. Step 3: Cross multiply
    47,884.56x = 71,839.80 × 16,722.24
  4. Step 4: Simplify right side
    47,884.56x = 1,201,322,377.15
  5. Step 5: Solve for x
    x = 1,201,322,377.15/47,884.56
  6. Step 6: Final answer
    x = 25,087.89

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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.