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Finding the Fourth Proportional to 17,755.86, 26,586.09 and 14,230.02

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Solution

The fourth proportional to 17,755.86, 26,586.09 and 14,230.02 is: 21,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.86 : 26,586.09 = 14,230.02 : x
  2. Step 2: Convert to fraction form
    17,755.86/26,586.09 = 14,230.02/x
  3. Step 3: Cross multiply
    17,755.86x = 26,586.09 × 14,230.02
  4. Step 4: Simplify right side
    17,755.86x = 378,320,592.42
  5. Step 5: Solve for x
    x = 378,320,592.42/17,755.86
  6. Step 6: Final answer
    x = 21,306.80

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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.