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Finding the Fourth Proportional to 17,015.08, 25,511.68 and 8,125.60

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Solution

The fourth proportional to 17,015.08, 25,511.68 and 8,125.60 is: 12,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,015.08 : 25,511.68 = 8,125.60 : x
  2. Step 2: Convert to fraction form
    17,015.08/25,511.68 = 8,125.60/x
  3. Step 3: Cross multiply
    17,015.08x = 25,511.68 × 8,125.60
  4. Step 4: Simplify right side
    17,015.08x = 207,297,538.82
  5. Step 5: Solve for x
    x = 207,297,538.82/17,015.08
  6. Step 6: Final answer
    x = 12,183.17

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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.