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Finding the Fourth Proportional to 66,814.68, 100,231.22 and 22,454.12

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Solution

The fourth proportional to 66,814.68, 100,231.22 and 22,454.12 is: 33,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,814.68 : 100,231.22 = 22,454.12 : x
  2. Step 2: Convert to fraction form
    66,814.68/100,231.22 = 22,454.12/x
  3. Step 3: Cross multiply
    66,814.68x = 100,231.22 × 22,454.12
  4. Step 4: Simplify right side
    66,814.68x = 2,250,603,841.63
  5. Step 5: Solve for x
    x = 2,250,603,841.63/66,814.68
  6. Step 6: Final answer
    x = 33,684.27

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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.