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Finding the Fourth Proportional to 18,663.67, 28,024.67 and 17,832.61

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Solution

The fourth proportional to 18,663.67, 28,024.67 and 17,832.61 is: 26,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.67 : 28,024.67 = 17,832.61 : x
  2. Step 2: Convert to fraction form
    18,663.67/28,024.67 = 17,832.61/x
  3. Step 3: Cross multiply
    18,663.67x = 28,024.67 × 17,832.61
  4. Step 4: Simplify right side
    18,663.67x = 499,753,010.49
  5. Step 5: Solve for x
    x = 499,753,010.49/18,663.67
  6. Step 6: Final answer
    x = 26,776.78

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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.