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Finding the Fourth Proportional to 7,353.91, 11,030.87 and 2,163.43

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Solution

The fourth proportional to 7,353.91, 11,030.87 and 2,163.43 is: 3,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.91 : 11,030.87 = 2,163.43 : x
  2. Step 2: Convert to fraction form
    7,353.91/11,030.87 = 2,163.43/x
  3. Step 3: Cross multiply
    7,353.91x = 11,030.87 × 2,163.43
  4. Step 4: Simplify right side
    7,353.91x = 23,864,515.08
  5. Step 5: Solve for x
    x = 23,864,515.08/7,353.91
  6. Step 6: Final answer
    x = 3,245.15

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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.