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Finding the Fourth Proportional to 18,495.92, 27,740.36 and 6,015.98

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Solution

The fourth proportional to 18,495.92, 27,740.36 and 6,015.98 is: 9,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.92 : 27,740.36 = 6,015.98 : x
  2. Step 2: Convert to fraction form
    18,495.92/27,740.36 = 6,015.98/x
  3. Step 3: Cross multiply
    18,495.92x = 27,740.36 × 6,015.98
  4. Step 4: Simplify right side
    18,495.92x = 166,885,450.95
  5. Step 5: Solve for x
    x = 166,885,450.95/18,495.92
  6. Step 6: Final answer
    x = 9,022.83

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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.