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Finding the Fourth Proportional to 21,375.92, 32,063.91 and 5,793.56

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Solution

The fourth proportional to 21,375.92, 32,063.91 and 5,793.56 is: 8,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375.92 : 32,063.91 = 5,793.56 : x
  2. Step 2: Convert to fraction form
    21,375.92/32,063.91 = 5,793.56/x
  3. Step 3: Cross multiply
    21,375.92x = 32,063.91 × 5,793.56
  4. Step 4: Simplify right side
    21,375.92x = 185,764,186.42
  5. Step 5: Solve for x
    x = 185,764,186.42/21,375.92
  6. Step 6: Final answer
    x = 8,690.35

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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.