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Finding the Fourth Proportional to 18,010.87, 26,997.83 and 6,914.57

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Solution

The fourth proportional to 18,010.87, 26,997.83 and 6,914.57 is: 10,364.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.87 : 26,997.83 = 6,914.57 : x
  2. Step 2: Convert to fraction form
    18,010.87/26,997.83 = 6,914.57/x
  3. Step 3: Cross multiply
    18,010.87x = 26,997.83 × 6,914.57
  4. Step 4: Simplify right side
    18,010.87x = 186,678,385.38
  5. Step 5: Solve for x
    x = 186,678,385.38/18,010.87
  6. Step 6: Final answer
    x = 10,364.76

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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.