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Finding the Fourth Proportional to 17,311.74, 25,969.88 and 6,219.67

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Solution

The fourth proportional to 17,311.74, 25,969.88 and 6,219.67 is: 9,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,311.74 : 25,969.88 = 6,219.67 : x
  2. Step 2: Convert to fraction form
    17,311.74/25,969.88 = 6,219.67/x
  3. Step 3: Cross multiply
    17,311.74x = 25,969.88 × 6,219.67
  4. Step 4: Simplify right side
    17,311.74x = 161,524,083.54
  5. Step 5: Solve for x
    x = 161,524,083.54/17,311.74
  6. Step 6: Final answer
    x = 9,330.32

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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.