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Finding the Fourth Proportional to 18,083.48, 24,944.15 and 11,951.17

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Solution

The fourth proportional to 18,083.48, 24,944.15 and 11,951.17 is: 16,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083.48 : 24,944.15 = 11,951.17 : x
  2. Step 2: Convert to fraction form
    18,083.48/24,944.15 = 11,951.17/x
  3. Step 3: Cross multiply
    18,083.48x = 24,944.15 × 11,951.17
  4. Step 4: Simplify right side
    18,083.48x = 298,111,744.67
  5. Step 5: Solve for x
    x = 298,111,744.67/18,083.48
  6. Step 6: Final answer
    x = 16,485.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.