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Finding the Fourth Proportional to 17,108.70, 25,644.53 and 7,254.86

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Solution

The fourth proportional to 17,108.70, 25,644.53 and 7,254.86 is: 10,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.70 : 25,644.53 = 7,254.86 : x
  2. Step 2: Convert to fraction form
    17,108.70/25,644.53 = 7,254.86/x
  3. Step 3: Cross multiply
    17,108.70x = 25,644.53 × 7,254.86
  4. Step 4: Simplify right side
    17,108.70x = 186,047,310.42
  5. Step 5: Solve for x
    x = 186,047,310.42/17,108.70
  6. Step 6: Final answer
    x = 10,874.43

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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.