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Finding the Fourth Proportional to 17,025.20, 25,523.44 and 8,135.50

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Solution

The fourth proportional to 17,025.20, 25,523.44 and 8,135.50 is: 12,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,025.20 : 25,523.44 = 8,135.50 : x
  2. Step 2: Convert to fraction form
    17,025.20/25,523.44 = 8,135.50/x
  3. Step 3: Cross multiply
    17,025.20x = 25,523.44 × 8,135.50
  4. Step 4: Simplify right side
    17,025.20x = 207,645,946.12
  5. Step 5: Solve for x
    x = 207,645,946.12/17,025.20
  6. Step 6: Final answer
    x = 12,196.39

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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.