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Finding the Fourth Proportional to 18,309.97, 27,467.13 and 5,825.62

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Solution

The fourth proportional to 18,309.97, 27,467.13 and 5,825.62 is: 8,739.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.97 : 27,467.13 = 5,825.62 : x
  2. Step 2: Convert to fraction form
    18,309.97/27,467.13 = 5,825.62/x
  3. Step 3: Cross multiply
    18,309.97x = 27,467.13 × 5,825.62
  4. Step 4: Simplify right side
    18,309.97x = 160,013,068.90
  5. Step 5: Solve for x
    x = 160,013,068.90/18,309.97
  6. Step 6: Final answer
    x = 8,739.12

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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.