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Finding the Fourth Proportional to 18,234.77, 27,352.16 and 5,755.76

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Solution

The fourth proportional to 18,234.77, 27,352.16 and 5,755.76 is: 8,633.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.77 : 27,352.16 = 5,755.76 : x
  2. Step 2: Convert to fraction form
    18,234.77/27,352.16 = 5,755.76/x
  3. Step 3: Cross multiply
    18,234.77x = 27,352.16 × 5,755.76
  4. Step 4: Simplify right side
    18,234.77x = 157,432,564.72
  5. Step 5: Solve for x
    x = 157,432,564.72/18,234.77
  6. Step 6: Final answer
    x = 8,633.65

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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.