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Finding the Fourth Proportional to 18,010.82, 26,997.74 and 6,914.51

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Solution

The fourth proportional to 18,010.82, 26,997.74 and 6,914.51 is: 10,364.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.82 : 26,997.74 = 6,914.51 : x
  2. Step 2: Convert to fraction form
    18,010.82/26,997.74 = 6,914.51/x
  3. Step 3: Cross multiply
    18,010.82x = 26,997.74 × 6,914.51
  4. Step 4: Simplify right side
    18,010.82x = 186,675,973.65
  5. Step 5: Solve for x
    x = 186,675,973.65/18,010.82
  6. Step 6: Final answer
    x = 10,364.66

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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.