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Finding the Fourth Proportional to 17,000.18, 25,505.34 and 8,122.16

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Solution

The fourth proportional to 17,000.18, 25,505.34 and 8,122.16 is: 12,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,000.18 : 25,505.34 = 8,122.16 : x
  2. Step 2: Convert to fraction form
    17,000.18/25,505.34 = 8,122.16/x
  3. Step 3: Cross multiply
    17,000.18x = 25,505.34 × 8,122.16
  4. Step 4: Simplify right side
    17,000.18x = 207,158,452.33
  5. Step 5: Solve for x
    x = 207,158,452.33/17,000.18
  6. Step 6: Final answer
    x = 12,185.66

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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.