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Finding the Fourth Proportional to 17,841.88, 26,758.62 and 7,975.72

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Solution

The fourth proportional to 17,841.88, 26,758.62 and 7,975.72 is: 11,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,841.88 : 26,758.62 = 7,975.72 : x
  2. Step 2: Convert to fraction form
    17,841.88/26,758.62 = 7,975.72/x
  3. Step 3: Cross multiply
    17,841.88x = 26,758.62 × 7,975.72
  4. Step 4: Simplify right side
    17,841.88x = 213,419,260.71
  5. Step 5: Solve for x
    x = 213,419,260.71/17,841.88
  6. Step 6: Final answer
    x = 11,961.70

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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.