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Finding the Fourth Proportional to 7,163.72, 10,732.87 and 2,994.54

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Solution

The fourth proportional to 7,163.72, 10,732.87 and 2,994.54 is: 4,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.72 : 10,732.87 = 2,994.54 : x
  2. Step 2: Convert to fraction form
    7,163.72/10,732.87 = 2,994.54/x
  3. Step 3: Cross multiply
    7,163.72x = 10,732.87 × 2,994.54
  4. Step 4: Simplify right side
    7,163.72x = 32,140,012.27
  5. Step 5: Solve for x
    x = 32,140,012.27/7,163.72
  6. Step 6: Final answer
    x = 4,486.50

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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.