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Finding the Fourth Proportional to 63,691.20, 95,536.80 and 35,697.60

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Solution

The fourth proportional to 63,691.20, 95,536.80 and 35,697.60 is: 53,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,691.20 : 95,536.80 = 35,697.60 : x
  2. Step 2: Convert to fraction form
    63,691.20/95,536.80 = 35,697.60/x
  3. Step 3: Cross multiply
    63,691.20x = 95,536.80 × 35,697.60
  4. Step 4: Simplify right side
    63,691.20x = 3,410,434,471.68
  5. Step 5: Solve for x
    x = 3,410,434,471.68/63,691.20
  6. Step 6: Final answer
    x = 53,546.40

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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.