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Finding the Fourth Proportional to 18,010.14, 27,012.42 and 6,922.02

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Solution

The fourth proportional to 18,010.14, 27,012.42 and 6,922.02 is: 10,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.14 : 27,012.42 = 6,922.02 : x
  2. Step 2: Convert to fraction form
    18,010.14/27,012.42 = 6,922.02/x
  3. Step 3: Cross multiply
    18,010.14x = 27,012.42 × 6,922.02
  4. Step 4: Simplify right side
    18,010.14x = 186,980,511.49
  5. Step 5: Solve for x
    x = 186,980,511.49/18,010.14
  6. Step 6: Final answer
    x = 10,381.96

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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.