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Finding the Fourth Proportional to 18,163.01, 25,065.51 and 10,205.03

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Solution

The fourth proportional to 18,163.01, 25,065.51 and 10,205.03 is: 14,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.01 : 25,065.51 = 10,205.03 : x
  2. Step 2: Convert to fraction form
    18,163.01/25,065.51 = 10,205.03/x
  3. Step 3: Cross multiply
    18,163.01x = 25,065.51 × 10,205.03
  4. Step 4: Simplify right side
    18,163.01x = 255,794,281.52
  5. Step 5: Solve for x
    x = 255,794,281.52/18,163.01
  6. Step 6: Final answer
    x = 14,083.25

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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.