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Finding the Fourth Proportional to 17,937.69, 26,906.55 and 8,575.50

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Solution

The fourth proportional to 17,937.69, 26,906.55 and 8,575.50 is: 12,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,937.69 : 26,906.55 = 8,575.50 : x
  2. Step 2: Convert to fraction form
    17,937.69/26,906.55 = 8,575.50/x
  3. Step 3: Cross multiply
    17,937.69x = 26,906.55 × 8,575.50
  4. Step 4: Simplify right side
    17,937.69x = 230,737,119.53
  5. Step 5: Solve for x
    x = 230,737,119.53/17,937.69
  6. Step 6: Final answer
    x = 12,863.26

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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.