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Finding the Fourth Proportional to 17,089.96, 25,651.35 and 8,331.02

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Solution

The fourth proportional to 17,089.96, 25,651.35 and 8,331.02 is: 12,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,089.96 : 25,651.35 = 8,331.02 : x
  2. Step 2: Convert to fraction form
    17,089.96/25,651.35 = 8,331.02/x
  3. Step 3: Cross multiply
    17,089.96x = 25,651.35 × 8,331.02
  4. Step 4: Simplify right side
    17,089.96x = 213,701,974.01
  5. Step 5: Solve for x
    x = 213,701,974.01/17,089.96
  6. Step 6: Final answer
    x = 12,504.54

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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.