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Finding the Fourth Proportional to 17,691.16, 26,493.54 and 17,224.60

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Solution

The fourth proportional to 17,691.16, 26,493.54 and 17,224.60 is: 25,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.16 : 26,493.54 = 17,224.60 : x
  2. Step 2: Convert to fraction form
    17,691.16/26,493.54 = 17,224.60/x
  3. Step 3: Cross multiply
    17,691.16x = 26,493.54 × 17,224.60
  4. Step 4: Simplify right side
    17,691.16x = 456,340,629.08
  5. Step 5: Solve for x
    x = 456,340,629.08/17,691.16
  6. Step 6: Final answer
    x = 25,794.84

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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.