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Finding the Fourth Proportional to 18,051.14, 27,065.17 and 8,672.49

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Solution

The fourth proportional to 18,051.14, 27,065.17 and 8,672.49 is: 13,003.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.14 : 27,065.17 = 8,672.49 : x
  2. Step 2: Convert to fraction form
    18,051.14/27,065.17 = 8,672.49/x
  3. Step 3: Cross multiply
    18,051.14x = 27,065.17 × 8,672.49
  4. Step 4: Simplify right side
    18,051.14x = 234,722,378.23
  5. Step 5: Solve for x
    x = 234,722,378.23/18,051.14
  6. Step 6: Final answer
    x = 13,003.19

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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.