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Finding the Fourth Proportional to 20,659.01, 30,963.89 and 10,795.64

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Solution

The fourth proportional to 20,659.01, 30,963.89 and 10,795.64 is: 16,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659.01 : 30,963.89 = 10,795.64 : x
  2. Step 2: Convert to fraction form
    20,659.01/30,963.89 = 10,795.64/x
  3. Step 3: Cross multiply
    20,659.01x = 30,963.89 × 10,795.64
  4. Step 4: Simplify right side
    20,659.01x = 334,274,800.64
  5. Step 5: Solve for x
    x = 334,274,800.64/20,659.01
  6. Step 6: Final answer
    x = 16,180.59

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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.