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Finding the Fourth Proportional to 63,794.68, 95,691.88 and 21,679.12

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Solution

The fourth proportional to 63,794.68, 95,691.88 and 21,679.12 is: 32,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,794.68 : 95,691.88 = 21,679.12 : x
  2. Step 2: Convert to fraction form
    63,794.68/95,691.88 = 21,679.12/x
  3. Step 3: Cross multiply
    63,794.68x = 95,691.88 × 21,679.12
  4. Step 4: Simplify right side
    63,794.68x = 2,074,515,749.55
  5. Step 5: Solve for x
    x = 2,074,515,749.55/63,794.68
  6. Step 6: Final answer
    x = 32,518.63

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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.