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Finding the Fourth Proportional to 20,659.25, 30,964.27 and 10,795.88

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Solution

The fourth proportional to 20,659.25, 30,964.27 and 10,795.88 is: 16,180.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659.25 : 30,964.27 = 10,795.88 : x
  2. Step 2: Convert to fraction form
    20,659.25/30,964.27 = 10,795.88/x
  3. Step 3: Cross multiply
    20,659.25x = 30,964.27 × 10,795.88
  4. Step 4: Simplify right side
    20,659.25x = 334,286,543.21
  5. Step 5: Solve for x
    x = 334,286,543.21/20,659.25
  6. Step 6: Final answer
    x = 16,180.96

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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.