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Finding the Fourth Proportional to 17,100.90, 25,651.07 and 5,414.10

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Solution

The fourth proportional to 17,100.90, 25,651.07 and 5,414.10 is: 8,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100.90 : 25,651.07 = 5,414.10 : x
  2. Step 2: Convert to fraction form
    17,100.90/25,651.07 = 5,414.10/x
  3. Step 3: Cross multiply
    17,100.90x = 25,651.07 × 5,414.10
  4. Step 4: Simplify right side
    17,100.90x = 138,877,458.09
  5. Step 5: Solve for x
    x = 138,877,458.09/17,100.90
  6. Step 6: Final answer
    x = 8,121.06

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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.