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Finding the Fourth Proportional to 18,575.68, 27,874.86 and 8,043.67

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Solution

The fourth proportional to 18,575.68, 27,874.86 and 8,043.67 is: 12,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.68 : 27,874.86 = 8,043.67 : x
  2. Step 2: Convert to fraction form
    18,575.68/27,874.86 = 8,043.67/x
  3. Step 3: Cross multiply
    18,575.68x = 27,874.86 × 8,043.67
  4. Step 4: Simplify right side
    18,575.68x = 224,216,175.14
  5. Step 5: Solve for x
    x = 224,216,175.14/18,575.68
  6. Step 6: Final answer
    x = 12,070.42

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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.