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Finding the Fourth Proportional to 17,083.72, 25,621.48 and 8,759.44

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Solution

The fourth proportional to 17,083.72, 25,621.48 and 8,759.44 is: 13,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,083.72 : 25,621.48 = 8,759.44 : x
  2. Step 2: Convert to fraction form
    17,083.72/25,621.48 = 8,759.44/x
  3. Step 3: Cross multiply
    17,083.72x = 25,621.48 × 8,759.44
  4. Step 4: Simplify right side
    17,083.72x = 224,429,816.77
  5. Step 5: Solve for x
    x = 224,429,816.77/17,083.72
  6. Step 6: Final answer
    x = 13,137.06

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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.