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Finding the Fourth Proportional to 28,874.88, 43,304.88 and 11,344.80

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Solution

The fourth proportional to 28,874.88, 43,304.88 and 11,344.80 is: 17,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.88 : 43,304.88 = 11,344.80 : x
  2. Step 2: Convert to fraction form
    28,874.88/43,304.88 = 11,344.80/x
  3. Step 3: Cross multiply
    28,874.88x = 43,304.88 × 11,344.80
  4. Step 4: Simplify right side
    28,874.88x = 491,285,202.62
  5. Step 5: Solve for x
    x = 491,285,202.62/28,874.88
  6. Step 6: Final answer
    x = 17,014.28

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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.