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Finding the Fourth Proportional to 44,467.62, 66,704.90 and 12,878.15

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Solution

The fourth proportional to 44,467.62, 66,704.90 and 12,878.15 is: 19,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,467.62 : 66,704.90 = 12,878.15 : x
  2. Step 2: Convert to fraction form
    44,467.62/66,704.90 = 12,878.15/x
  3. Step 3: Cross multiply
    44,467.62x = 66,704.90 × 12,878.15
  4. Step 4: Simplify right side
    44,467.62x = 859,035,310.02
  5. Step 5: Solve for x
    x = 859,035,310.02/44,467.62
  6. Step 6: Final answer
    x = 19,318.22

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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.