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Finding the Fourth Proportional to 18,163.02, 25,065.52 and 10,205.04

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Solution

The fourth proportional to 18,163.02, 25,065.52 and 10,205.04 is: 14,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.02 : 25,065.52 = 10,205.04 : x
  2. Step 2: Convert to fraction form
    18,163.02/25,065.52 = 10,205.04/x
  3. Step 3: Cross multiply
    18,163.02x = 25,065.52 × 10,205.04
  4. Step 4: Simplify right side
    18,163.02x = 255,794,634.22
  5. Step 5: Solve for x
    x = 255,794,634.22/18,163.02
  6. Step 6: Final answer
    x = 14,083.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.