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Finding the Fourth Proportional to 17,998.56, 26,986.14 and 7,465.68

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Solution

The fourth proportional to 17,998.56, 26,986.14 and 7,465.68 is: 11,193.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.56 : 26,986.14 = 7,465.68 : x
  2. Step 2: Convert to fraction form
    17,998.56/26,986.14 = 7,465.68/x
  3. Step 3: Cross multiply
    17,998.56x = 26,986.14 × 7,465.68
  4. Step 4: Simplify right side
    17,998.56x = 201,469,885.68
  5. Step 5: Solve for x
    x = 201,469,885.68/17,998.56
  6. Step 6: Final answer
    x = 11,193.67

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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.