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Finding the Fourth Proportional to 3,441.96, 5,163.36 and 976.68

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Solution

The fourth proportional to 3,441.96, 5,163.36 and 976.68 is: 1,465.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.96 : 5,163.36 = 976.68 : x
  2. Step 2: Convert to fraction form
    3,441.96/5,163.36 = 976.68/x
  3. Step 3: Cross multiply
    3,441.96x = 5,163.36 × 976.68
  4. Step 4: Simplify right side
    3,441.96x = 5,042,950.44
  5. Step 5: Solve for x
    x = 5,042,950.44/3,441.96
  6. Step 6: Final answer
    x = 1,465.14

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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.