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Finding the Fourth Proportional to 17,893.71, 24,704.55 and 11,531.43

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Solution

The fourth proportional to 17,893.71, 24,704.55 and 11,531.43 is: 15,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,893.71 : 24,704.55 = 11,531.43 : x
  2. Step 2: Convert to fraction form
    17,893.71/24,704.55 = 11,531.43/x
  3. Step 3: Cross multiply
    17,893.71x = 24,704.55 × 11,531.43
  4. Step 4: Simplify right side
    17,893.71x = 284,878,789.01
  5. Step 5: Solve for x
    x = 284,878,789.01/17,893.71
  6. Step 6: Final answer
    x = 15,920.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.