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Finding the Fourth Proportional to 18,042.16, 27,063.27 and 6,954.07

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Solution

The fourth proportional to 18,042.16, 27,063.27 and 6,954.07 is: 10,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.16 : 27,063.27 = 6,954.07 : x
  2. Step 2: Convert to fraction form
    18,042.16/27,063.27 = 6,954.07/x
  3. Step 3: Cross multiply
    18,042.16x = 27,063.27 × 6,954.07
  4. Step 4: Simplify right side
    18,042.16x = 188,199,874.01
  5. Step 5: Solve for x
    x = 188,199,874.01/18,042.16
  6. Step 6: Final answer
    x = 10,431.12

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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.