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Finding the Fourth Proportional to 17,841.06, 26,764.83 and 7,980.12

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Solution

The fourth proportional to 17,841.06, 26,764.83 and 7,980.12 is: 11,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,841.06 : 26,764.83 = 7,980.12 : x
  2. Step 2: Convert to fraction form
    17,841.06/26,764.83 = 7,980.12/x
  3. Step 3: Cross multiply
    17,841.06x = 26,764.83 × 7,980.12
  4. Step 4: Simplify right side
    17,841.06x = 213,586,555.18
  5. Step 5: Solve for x
    x = 213,586,555.18/17,841.06
  6. Step 6: Final answer
    x = 11,971.63

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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.