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Finding the Fourth Proportional to 20,063.68, 30,098.36 and 8,374.24

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Solution

The fourth proportional to 20,063.68, 30,098.36 and 8,374.24 is: 12,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.68 : 30,098.36 = 8,374.24 : x
  2. Step 2: Convert to fraction form
    20,063.68/30,098.36 = 8,374.24/x
  3. Step 3: Cross multiply
    20,063.68x = 30,098.36 × 8,374.24
  4. Step 4: Simplify right side
    20,063.68x = 252,050,890.25
  5. Step 5: Solve for x
    x = 252,050,890.25/20,063.68
  6. Step 6: Final answer
    x = 12,562.55

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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.