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Finding the Fourth Proportional to 18,647.16, 27,944.37 and 10,330.98

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Solution

The fourth proportional to 18,647.16, 27,944.37 and 10,330.98 is: 15,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647.16 : 27,944.37 = 10,330.98 : x
  2. Step 2: Convert to fraction form
    18,647.16/27,944.37 = 10,330.98/x
  3. Step 3: Cross multiply
    18,647.16x = 27,944.37 × 10,330.98
  4. Step 4: Simplify right side
    18,647.16x = 288,692,727.58
  5. Step 5: Solve for x
    x = 288,692,727.58/18,647.16
  6. Step 6: Final answer
    x = 15,481.86

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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.